Home / 25,565.29-35,272.98-15,353.59

Finding the Fourth Proportional to 25,565.29, 35,272.98 and 15,353.59

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Solution

The fourth proportional to 25,565.29, 35,272.98 and 15,353.59 is: 21,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,565.29 : 35,272.98 = 15,353.59 : x
  2. Step 2: Convert to fraction form
    25,565.29/35,272.98 = 15,353.59/x
  3. Step 3: Cross multiply
    25,565.29x = 35,272.98 × 15,353.59
  4. Step 4: Simplify right side
    25,565.29x = 541,566,873.00
  5. Step 5: Solve for x
    x = 541,566,873.00/25,565.29
  6. Step 6: Final answer
    x = 21,183.68

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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.