Home / 16,244.35-22,417.86-9,170.72

Finding the Fourth Proportional to 16,244.35, 22,417.86 and 9,170.72

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Solution

The fourth proportional to 16,244.35, 22,417.86 and 9,170.72 is: 12,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,244.35 : 22,417.86 = 9,170.72 : x
  2. Step 2: Convert to fraction form
    16,244.35/22,417.86 = 9,170.72/x
  3. Step 3: Cross multiply
    16,244.35x = 22,417.86 × 9,170.72
  4. Step 4: Simplify right side
    16,244.35x = 205,587,923.43
  5. Step 5: Solve for x
    x = 205,587,923.43/16,244.35
  6. Step 6: Final answer
    x = 12,655.97

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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.