Home / 19,089.19-28,644.99-7,995.03

Finding the Fourth Proportional to 19,089.19, 28,644.99 and 7,995.03

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Solution

The fourth proportional to 19,089.19, 28,644.99 and 7,995.03 is: 11,997.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.19 : 28,644.99 = 7,995.03 : x
  2. Step 2: Convert to fraction form
    19,089.19/28,644.99 = 7,995.03/x
  3. Step 3: Cross multiply
    19,089.19x = 28,644.99 × 7,995.03
  4. Step 4: Simplify right side
    19,089.19x = 229,017,554.40
  5. Step 5: Solve for x
    x = 229,017,554.40/19,089.19
  6. Step 6: Final answer
    x = 11,997.24

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Half scale
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Double scale
Find fourth proportional to 19,090.19, 28,646.49 and 7,996.03
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.