Home / 23,390.04-32,279.13-13,320.27

Finding the Fourth Proportional to 23,390.04, 32,279.13 and 13,320.27

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Solution

The fourth proportional to 23,390.04, 32,279.13 and 13,320.27 is: 18,382.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,390.04 : 32,279.13 = 13,320.27 : x
  2. Step 2: Convert to fraction form
    23,390.04/32,279.13 = 13,320.27/x
  3. Step 3: Cross multiply
    23,390.04x = 32,279.13 × 13,320.27
  4. Step 4: Simplify right side
    23,390.04x = 429,966,726.97
  5. Step 5: Solve for x
    x = 429,966,726.97/23,390.04
  6. Step 6: Final answer
    x = 18,382.47

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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.