Home / 16,145.08-22,279.38-10,839.16

Finding the Fourth Proportional to 16,145.08, 22,279.38 and 10,839.16

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Solution

The fourth proportional to 16,145.08, 22,279.38 and 10,839.16 is: 14,957.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,145.08 : 22,279.38 = 10,839.16 : x
  2. Step 2: Convert to fraction form
    16,145.08/22,279.38 = 10,839.16/x
  3. Step 3: Cross multiply
    16,145.08x = 22,279.38 × 10,839.16
  4. Step 4: Simplify right side
    16,145.08x = 241,489,764.52
  5. Step 5: Solve for x
    x = 241,489,764.52/16,145.08
  6. Step 6: Final answer
    x = 14,957.48

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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.