Home / 15,135.17-22,688.16-7,743.11

Finding the Fourth Proportional to 15,135.17, 22,688.16 and 7,743.11

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Solution

The fourth proportional to 15,135.17, 22,688.16 and 7,743.11 is: 11,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135.17 : 22,688.16 = 7,743.11 : x
  2. Step 2: Convert to fraction form
    15,135.17/22,688.16 = 7,743.11/x
  3. Step 3: Cross multiply
    15,135.17x = 22,688.16 × 7,743.11
  4. Step 4: Simplify right side
    15,135.17x = 175,676,918.58
  5. Step 5: Solve for x
    x = 175,676,918.58/15,135.17
  6. Step 6: Final answer
    x = 11,607.20

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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.