Home / 15,105.41-22,666.11-10,979.47

Finding the Fourth Proportional to 15,105.41, 22,666.11 and 10,979.47

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Solution

The fourth proportional to 15,105.41, 22,666.11 and 10,979.47 is: 16,475.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,105.41 : 22,666.11 = 10,979.47 : x
  2. Step 2: Convert to fraction form
    15,105.41/22,666.11 = 10,979.47/x
  3. Step 3: Cross multiply
    15,105.41x = 22,666.11 × 10,979.47
  4. Step 4: Simplify right side
    15,105.41x = 248,861,874.76
  5. Step 5: Solve for x
    x = 248,861,874.76/15,105.41
  6. Step 6: Final answer
    x = 16,475.02

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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.