Home / 25,785.73-35,575.90-15,028.14

Finding the Fourth Proportional to 25,785.73, 35,575.90 and 15,028.14

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Solution

The fourth proportional to 25,785.73, 35,575.90 and 15,028.14 is: 20,733.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,785.73 : 35,575.90 = 15,028.14 : x
  2. Step 2: Convert to fraction form
    25,785.73/35,575.90 = 15,028.14/x
  3. Step 3: Cross multiply
    25,785.73x = 35,575.90 × 15,028.14
  4. Step 4: Simplify right side
    25,785.73x = 534,639,605.83
  5. Step 5: Solve for x
    x = 534,639,605.83/25,785.73
  6. Step 6: Final answer
    x = 20,733.93

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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.