Home / 15,655.14-23,495.13-13,809.96

Finding the Fourth Proportional to 15,655.14, 23,495.13 and 13,809.96

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Solution

The fourth proportional to 15,655.14, 23,495.13 and 13,809.96 is: 20,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655.14 : 23,495.13 = 13,809.96 : x
  2. Step 2: Convert to fraction form
    15,655.14/23,495.13 = 13,809.96/x
  3. Step 3: Cross multiply
    15,655.14x = 23,495.13 × 13,809.96
  4. Step 4: Simplify right side
    15,655.14x = 324,466,805.49
  5. Step 5: Solve for x
    x = 324,466,805.49/15,655.14
  6. Step 6: Final answer
    x = 20,725.90

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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.