Home / 15,139.91-22,710.66-4,609.12

Finding the Fourth Proportional to 15,139.91, 22,710.66 and 4,609.12

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Solution

The fourth proportional to 15,139.91, 22,710.66 and 4,609.12 is: 6,913.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,139.91 : 22,710.66 = 4,609.12 : x
  2. Step 2: Convert to fraction form
    15,139.91/22,710.66 = 4,609.12/x
  3. Step 3: Cross multiply
    15,139.91x = 22,710.66 × 4,609.12
  4. Step 4: Simplify right side
    15,139.91x = 104,676,157.22
  5. Step 5: Solve for x
    x = 104,676,157.22/15,139.91
  6. Step 6: Final answer
    x = 6,913.92

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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.