Home / 16,871.94-23,279.13-13,088.43

Finding the Fourth Proportional to 16,871.94, 23,279.13 and 13,088.43

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Solution

The fourth proportional to 16,871.94, 23,279.13 and 13,088.43 is: 18,058.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.94 : 23,279.13 = 13,088.43 : x
  2. Step 2: Convert to fraction form
    16,871.94/23,279.13 = 13,088.43/x
  3. Step 3: Cross multiply
    16,871.94x = 23,279.13 × 13,088.43
  4. Step 4: Simplify right side
    16,871.94x = 304,687,263.47
  5. Step 5: Solve for x
    x = 304,687,263.47/16,871.94
  6. Step 6: Final answer
    x = 18,058.82

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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.