Home / 16,239.89-22,432.56-13,065.14

Finding the Fourth Proportional to 16,239.89, 22,432.56 and 13,065.14

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Solution

The fourth proportional to 16,239.89, 22,432.56 and 13,065.14 is: 18,047.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,239.89 : 22,432.56 = 13,065.14 : x
  2. Step 2: Convert to fraction form
    16,239.89/22,432.56 = 13,065.14/x
  3. Step 3: Cross multiply
    16,239.89x = 22,432.56 × 13,065.14
  4. Step 4: Simplify right side
    16,239.89x = 293,084,649.08
  5. Step 5: Solve for x
    x = 293,084,649.08/16,239.89
  6. Step 6: Final answer
    x = 18,047.21

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