Home / 17,207.40-25,789.23-8,435.10

Finding the Fourth Proportional to 17,207.40, 25,789.23 and 8,435.10

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Solution

The fourth proportional to 17,207.40, 25,789.23 and 8,435.10 is: 12,641.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,207.40 : 25,789.23 = 8,435.10 : x
  2. Step 2: Convert to fraction form
    17,207.40/25,789.23 = 8,435.10/x
  3. Step 3: Cross multiply
    17,207.40x = 25,789.23 × 8,435.10
  4. Step 4: Simplify right side
    17,207.40x = 217,534,733.97
  5. Step 5: Solve for x
    x = 217,534,733.97/17,207.40
  6. Step 6: Final answer
    x = 12,641.93

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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.