Home / 15,140.55-22,704.35-4,753.11

Finding the Fourth Proportional to 15,140.55, 22,704.35 and 4,753.11

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Solution

The fourth proportional to 15,140.55, 22,704.35 and 4,753.11 is: 7,127.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140.55 : 22,704.35 = 4,753.11 : x
  2. Step 2: Convert to fraction form
    15,140.55/22,704.35 = 4,753.11/x
  3. Step 3: Cross multiply
    15,140.55x = 22,704.35 × 4,753.11
  4. Step 4: Simplify right side
    15,140.55x = 107,916,249.26
  5. Step 5: Solve for x
    x = 107,916,249.26/15,140.55
  6. Step 6: Final answer
    x = 7,127.63

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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.