Home / 16,411.97-22,679.16-13,426.71

Finding the Fourth Proportional to 16,411.97, 22,679.16 and 13,426.71

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Solution

The fourth proportional to 16,411.97, 22,679.16 and 13,426.71 is: 18,553.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,411.97 : 22,679.16 = 13,426.71 : x
  2. Step 2: Convert to fraction form
    16,411.97/22,679.16 = 13,426.71/x
  3. Step 3: Cross multiply
    16,411.97x = 22,679.16 × 13,426.71
  4. Step 4: Simplify right side
    16,411.97x = 304,506,504.36
  5. Step 5: Solve for x
    x = 304,506,504.36/16,411.97
  6. Step 6: Final answer
    x = 18,553.93

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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.