Home / 25,028.11-34,538.79-13,697.60

Finding the Fourth Proportional to 25,028.11, 34,538.79 and 13,697.60

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Solution

The fourth proportional to 25,028.11, 34,538.79 and 13,697.60 is: 18,902.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,028.11 : 34,538.79 = 13,697.60 : x
  2. Step 2: Convert to fraction form
    25,028.11/34,538.79 = 13,697.60/x
  3. Step 3: Cross multiply
    25,028.11x = 34,538.79 × 13,697.60
  4. Step 4: Simplify right side
    25,028.11x = 473,098,529.90
  5. Step 5: Solve for x
    x = 473,098,529.90/25,028.11
  6. Step 6: Final answer
    x = 18,902.69

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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.