Home / 22,931.66-34,397.49-15,138.65

Finding the Fourth Proportional to 22,931.66, 34,397.49 and 15,138.65

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Solution

The fourth proportional to 22,931.66, 34,397.49 and 15,138.65 is: 22,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,931.66 : 34,397.49 = 15,138.65 : x
  2. Step 2: Convert to fraction form
    22,931.66/34,397.49 = 15,138.65/x
  3. Step 3: Cross multiply
    22,931.66x = 34,397.49 × 15,138.65
  4. Step 4: Simplify right side
    22,931.66x = 520,731,390.00
  5. Step 5: Solve for x
    x = 520,731,390.00/22,931.66
  6. Step 6: Final answer
    x = 22,707.97

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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.