Home / 16,489.56-22,740.42-12,385.08

Finding the Fourth Proportional to 16,489.56, 22,740.42 and 12,385.08

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Solution

The fourth proportional to 16,489.56, 22,740.42 and 12,385.08 is: 17,080.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,489.56 : 22,740.42 = 12,385.08 : x
  2. Step 2: Convert to fraction form
    16,489.56/22,740.42 = 12,385.08/x
  3. Step 3: Cross multiply
    16,489.56x = 22,740.42 × 12,385.08
  4. Step 4: Simplify right side
    16,489.56x = 281,641,920.93
  5. Step 5: Solve for x
    x = 281,641,920.93/16,489.56
  6. Step 6: Final answer
    x = 17,080.01

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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.