Home / 25,729.76-38,584.80-9,086.68

Finding the Fourth Proportional to 25,729.76, 38,584.80 and 9,086.68

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Solution

The fourth proportional to 25,729.76, 38,584.80 and 9,086.68 is: 13,626.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,729.76 : 38,584.80 = 9,086.68 : x
  2. Step 2: Convert to fraction form
    25,729.76/38,584.80 = 9,086.68/x
  3. Step 3: Cross multiply
    25,729.76x = 38,584.80 × 9,086.68
  4. Step 4: Simplify right side
    25,729.76x = 350,607,730.46
  5. Step 5: Solve for x
    x = 350,607,730.46/25,729.76
  6. Step 6: Final answer
    x = 13,626.54

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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.