Home / 23,089.48-31,816.41-15,921.59

Finding the Fourth Proportional to 23,089.48, 31,816.41 and 15,921.59

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Solution

The fourth proportional to 23,089.48, 31,816.41 and 15,921.59 is: 21,939.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,089.48 : 31,816.41 = 15,921.59 : x
  2. Step 2: Convert to fraction form
    23,089.48/31,816.41 = 15,921.59/x
  3. Step 3: Cross multiply
    23,089.48x = 31,816.41 × 15,921.59
  4. Step 4: Simplify right side
    23,089.48x = 506,567,728.38
  5. Step 5: Solve for x
    x = 506,567,728.38/23,089.48
  6. Step 6: Final answer
    x = 21,939.33

Related Problems

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Half scale
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Double scale
Find fourth proportional to 23,090.48, 31,817.79 and 15,922.59
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.