Home / 22,814.04-31,494.78-15,400.92

Finding the Fourth Proportional to 22,814.04, 31,494.78 and 15,400.92

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Solution

The fourth proportional to 22,814.04, 31,494.78 and 15,400.92 is: 21,260.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,814.04 : 31,494.78 = 15,400.92 : x
  2. Step 2: Convert to fraction form
    22,814.04/31,494.78 = 15,400.92/x
  3. Step 3: Cross multiply
    22,814.04x = 31,494.78 × 15,400.92
  4. Step 4: Simplify right side
    22,814.04x = 485,048,587.20
  5. Step 5: Solve for x
    x = 485,048,587.20/22,814.04
  6. Step 6: Final answer
    x = 21,260.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.