Home / 22,570.65-31,132.08-15,484.77

Finding the Fourth Proportional to 22,570.65, 31,132.08 and 15,484.77

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Solution

The fourth proportional to 22,570.65, 31,132.08 and 15,484.77 is: 21,358.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,570.65 : 31,132.08 = 15,484.77 : x
  2. Step 2: Convert to fraction form
    22,570.65/31,132.08 = 15,484.77/x
  3. Step 3: Cross multiply
    22,570.65x = 31,132.08 × 15,484.77
  4. Step 4: Simplify right side
    22,570.65x = 482,073,098.42
  5. Step 5: Solve for x
    x = 482,073,098.42/22,570.65
  6. Step 6: Final answer
    x = 21,358.41

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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.