Home / 25,691.64-35,453.88-15,082.26

Finding the Fourth Proportional to 25,691.64, 35,453.88 and 15,082.26

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Solution

The fourth proportional to 25,691.64, 35,453.88 and 15,082.26 is: 20,813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,691.64 : 35,453.88 = 15,082.26 : x
  2. Step 2: Convert to fraction form
    25,691.64/35,453.88 = 15,082.26/x
  3. Step 3: Cross multiply
    25,691.64x = 35,453.88 × 15,082.26
  4. Step 4: Simplify right side
    25,691.64x = 534,724,636.17
  5. Step 5: Solve for x
    x = 534,724,636.17/25,691.64
  6. Step 6: Final answer
    x = 20,813.18

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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.