Home / 15,115.08-22,663.71-4,581.90

Finding the Fourth Proportional to 15,115.08, 22,663.71 and 4,581.90

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Solution

The fourth proportional to 15,115.08, 22,663.71 and 4,581.90 is: 6,870.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115.08 : 22,663.71 = 4,581.90 : x
  2. Step 2: Convert to fraction form
    15,115.08/22,663.71 = 4,581.90/x
  3. Step 3: Cross multiply
    15,115.08x = 22,663.71 × 4,581.90
  4. Step 4: Simplify right side
    15,115.08x = 103,842,852.85
  5. Step 5: Solve for x
    x = 103,842,852.85/15,115.08
  6. Step 6: Final answer
    x = 6,870.15

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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.