Home / 15,110.92-22,666.38-7,320.88

Finding the Fourth Proportional to 15,110.92, 22,666.38 and 7,320.88

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Solution

The fourth proportional to 15,110.92, 22,666.38 and 7,320.88 is: 10,981.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110.92 : 22,666.38 = 7,320.88 : x
  2. Step 2: Convert to fraction form
    15,110.92/22,666.38 = 7,320.88/x
  3. Step 3: Cross multiply
    15,110.92x = 22,666.38 × 7,320.88
  4. Step 4: Simplify right side
    15,110.92x = 165,937,848.01
  5. Step 5: Solve for x
    x = 165,937,848.01/15,110.92
  6. Step 6: Final answer
    x = 10,981.32

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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.