Home / 22,616.97-31,210.93-12,545.19

Finding the Fourth Proportional to 22,616.97, 31,210.93 and 12,545.19

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Solution

The fourth proportional to 22,616.97, 31,210.93 and 12,545.19 is: 17,312.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,616.97 : 31,210.93 = 12,545.19 : x
  2. Step 2: Convert to fraction form
    22,616.97/31,210.93 = 12,545.19/x
  3. Step 3: Cross multiply
    22,616.97x = 31,210.93 × 12,545.19
  4. Step 4: Simplify right side
    22,616.97x = 391,547,046.93
  5. Step 5: Solve for x
    x = 391,547,046.93/22,616.97
  6. Step 6: Final answer
    x = 17,312.09

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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.