Home / 25,540.38-35,237.52-15,465.60

Finding the Fourth Proportional to 25,540.38, 35,237.52 and 15,465.60

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Solution

The fourth proportional to 25,540.38, 35,237.52 and 15,465.60 is: 21,337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,540.38 : 35,237.52 = 15,465.60 : x
  2. Step 2: Convert to fraction form
    25,540.38/35,237.52 = 15,465.60/x
  3. Step 3: Cross multiply
    25,540.38x = 35,237.52 × 15,465.60
  4. Step 4: Simplify right side
    25,540.38x = 544,969,389.31
  5. Step 5: Solve for x
    x = 544,969,389.31/25,540.38
  6. Step 6: Final answer
    x = 21,337.56

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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.