Home / 22,616.02-31,211.58-12,545.38

Finding the Fourth Proportional to 22,616.02, 31,211.58 and 12,545.38

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Solution

The fourth proportional to 22,616.02, 31,211.58 and 12,545.38 is: 17,313.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,616.02 : 31,211.58 = 12,545.38 : x
  2. Step 2: Convert to fraction form
    22,616.02/31,211.58 = 12,545.38/x
  3. Step 3: Cross multiply
    22,616.02x = 31,211.58 × 12,545.38
  4. Step 4: Simplify right side
    22,616.02x = 391,561,131.50
  5. Step 5: Solve for x
    x = 391,561,131.50/22,616.02
  6. Step 6: Final answer
    x = 17,313.44

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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.