Home / 25,693.44-35,454.24-15,086.40

Finding the Fourth Proportional to 25,693.44, 35,454.24 and 15,086.40

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Solution

The fourth proportional to 25,693.44, 35,454.24 and 15,086.40 is: 20,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,693.44 : 35,454.24 = 15,086.40 : x
  2. Step 2: Convert to fraction form
    25,693.44/35,454.24 = 15,086.40/x
  3. Step 3: Cross multiply
    25,693.44x = 35,454.24 × 15,086.40
  4. Step 4: Simplify right side
    25,693.44x = 534,876,846.34
  5. Step 5: Solve for x
    x = 534,876,846.34/25,693.44
  6. Step 6: Final answer
    x = 20,817.64

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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.