Home / 25,740.57-38,615.76-9,098.70

Finding the Fourth Proportional to 25,740.57, 38,615.76 and 9,098.70

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Solution

The fourth proportional to 25,740.57, 38,615.76 and 9,098.70 is: 13,649.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,740.57 : 38,615.76 = 9,098.70 : x
  2. Step 2: Convert to fraction form
    25,740.57/38,615.76 = 9,098.70/x
  3. Step 3: Cross multiply
    25,740.57x = 38,615.76 × 9,098.70
  4. Step 4: Simplify right side
    25,740.57x = 351,353,215.51
  5. Step 5: Solve for x
    x = 351,353,215.51/25,740.57
  6. Step 6: Final answer
    x = 13,649.78

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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.