Home / 23,182.48-31,991.64-12,572.09

Finding the Fourth Proportional to 23,182.48, 31,991.64 and 12,572.09

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Solution

The fourth proportional to 23,182.48, 31,991.64 and 12,572.09 is: 17,349.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,182.48 : 31,991.64 = 12,572.09 : x
  2. Step 2: Convert to fraction form
    23,182.48/31,991.64 = 12,572.09/x
  3. Step 3: Cross multiply
    23,182.48x = 31,991.64 × 12,572.09
  4. Step 4: Simplify right side
    23,182.48x = 402,201,777.33
  5. Step 5: Solve for x
    x = 402,201,777.33/23,182.48
  6. Step 6: Final answer
    x = 17,349.39

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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.