Home / 25,732.15-35,499.09-15,116.99

Finding the Fourth Proportional to 25,732.15, 35,499.09 and 15,116.99

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Solution

The fourth proportional to 25,732.15, 35,499.09 and 15,116.99 is: 20,854.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,732.15 : 35,499.09 = 15,116.99 : x
  2. Step 2: Convert to fraction form
    25,732.15/35,499.09 = 15,116.99/x
  3. Step 3: Cross multiply
    25,732.15x = 35,499.09 × 15,116.99
  4. Step 4: Simplify right side
    25,732.15x = 536,639,388.54
  5. Step 5: Solve for x
    x = 536,639,388.54/25,732.15
  6. Step 6: Final answer
    x = 20,854.82

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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.