Home / 15,118.83-22,680.68-5,260.91

Finding the Fourth Proportional to 15,118.83, 22,680.68 and 5,260.91

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Solution

The fourth proportional to 15,118.83, 22,680.68 and 5,260.91 is: 7,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118.83 : 22,680.68 = 5,260.91 : x
  2. Step 2: Convert to fraction form
    15,118.83/22,680.68 = 5,260.91/x
  3. Step 3: Cross multiply
    15,118.83x = 22,680.68 × 5,260.91
  4. Step 4: Simplify right side
    15,118.83x = 119,320,876.51
  5. Step 5: Solve for x
    x = 119,320,876.51/15,118.83
  6. Step 6: Final answer
    x = 7,892.20

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1.5x scale

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.