Home / 25,825.47-38,740.91-9,187.04

Finding the Fourth Proportional to 25,825.47, 38,740.91 and 9,187.04

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Solution

The fourth proportional to 25,825.47, 38,740.91 and 9,187.04 is: 13,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,825.47 : 38,740.91 = 9,187.04 : x
  2. Step 2: Convert to fraction form
    25,825.47/38,740.91 = 9,187.04/x
  3. Step 3: Cross multiply
    25,825.47x = 38,740.91 × 9,187.04
  4. Step 4: Simplify right side
    25,825.47x = 355,914,050.17
  5. Step 5: Solve for x
    x = 355,914,050.17/25,825.47
  6. Step 6: Final answer
    x = 13,781.51

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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.