Home / 16,115.13-22,238.63-8,945.04

Finding the Fourth Proportional to 16,115.13, 22,238.63 and 8,945.04

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Solution

The fourth proportional to 16,115.13, 22,238.63 and 8,945.04 is: 12,344.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115.13 : 22,238.63 = 8,945.04 : x
  2. Step 2: Convert to fraction form
    16,115.13/22,238.63 = 8,945.04/x
  3. Step 3: Cross multiply
    16,115.13x = 22,238.63 × 8,945.04
  4. Step 4: Simplify right side
    16,115.13x = 198,925,390.17
  5. Step 5: Solve for x
    x = 198,925,390.17/16,115.13
  6. Step 6: Final answer
    x = 12,344.01

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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.