Home / 17,091.90-25,641.56-5,245.72

Finding the Fourth Proportional to 17,091.90, 25,641.56 and 5,245.72

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Solution

The fourth proportional to 17,091.90, 25,641.56 and 5,245.72 is: 7,869.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,091.90 : 25,641.56 = 5,245.72 : x
  2. Step 2: Convert to fraction form
    17,091.90/25,641.56 = 5,245.72/x
  3. Step 3: Cross multiply
    17,091.90x = 25,641.56 × 5,245.72
  4. Step 4: Simplify right side
    17,091.90x = 134,508,444.12
  5. Step 5: Solve for x
    x = 134,508,444.12/17,091.90
  6. Step 6: Final answer
    x = 7,869.72

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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.