Home / 25,565.41-35,273.15-15,353.72

Finding the Fourth Proportional to 25,565.41, 35,273.15 and 15,353.72

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Solution

The fourth proportional to 25,565.41, 35,273.15 and 15,353.72 is: 21,183.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,565.41 : 35,273.15 = 15,353.72 : x
  2. Step 2: Convert to fraction form
    25,565.41/35,273.15 = 15,353.72/x
  3. Step 3: Cross multiply
    25,565.41x = 35,273.15 × 15,353.72
  4. Step 4: Simplify right side
    25,565.41x = 541,574,005.33
  5. Step 5: Solve for x
    x = 541,574,005.33/25,565.41
  6. Step 6: Final answer
    x = 21,183.86

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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.