Home / 17,070.92-25,606.38-5,385.05

Finding the Fourth Proportional to 17,070.92, 25,606.38 and 5,385.05

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Solution

The fourth proportional to 17,070.92, 25,606.38 and 5,385.05 is: 8,077.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,070.92 : 25,606.38 = 5,385.05 : x
  2. Step 2: Convert to fraction form
    17,070.92/25,606.38 = 5,385.05/x
  3. Step 3: Cross multiply
    17,070.92x = 25,606.38 × 5,385.05
  4. Step 4: Simplify right side
    17,070.92x = 137,891,508.59
  5. Step 5: Solve for x
    x = 137,891,508.59/17,070.92
  6. Step 6: Final answer
    x = 8,077.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.