Home / 25,882.62-35,720.30-15,270.18

Finding the Fourth Proportional to 25,882.62, 35,720.30 and 15,270.18

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Solution

The fourth proportional to 25,882.62, 35,720.30 and 15,270.18 is: 21,074.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,882.62 : 35,720.30 = 15,270.18 : x
  2. Step 2: Convert to fraction form
    25,882.62/35,720.30 = 15,270.18/x
  3. Step 3: Cross multiply
    25,882.62x = 35,720.30 × 15,270.18
  4. Step 4: Simplify right side
    25,882.62x = 545,455,334.30
  5. Step 5: Solve for x
    x = 545,455,334.30/25,882.62
  6. Step 6: Final answer
    x = 21,074.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.