Home / 22,613.45-31,207.95-12,545.01

Finding the Fourth Proportional to 22,613.45, 31,207.95 and 12,545.01

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Solution

The fourth proportional to 22,613.45, 31,207.95 and 12,545.01 is: 17,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,613.45 : 31,207.95 = 12,545.01 : x
  2. Step 2: Convert to fraction form
    22,613.45/31,207.95 = 12,545.01/x
  3. Step 3: Cross multiply
    22,613.45x = 31,207.95 × 12,545.01
  4. Step 4: Simplify right side
    22,613.45x = 391,504,044.83
  5. Step 5: Solve for x
    x = 391,504,044.83/22,613.45
  6. Step 6: Final answer
    x = 17,312.89

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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.