Home / 25,790.33-38,685.60-9,150.87

Finding the Fourth Proportional to 25,790.33, 38,685.60 and 9,150.87

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Solution

The fourth proportional to 25,790.33, 38,685.60 and 9,150.87 is: 13,726.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,790.33 : 38,685.60 = 9,150.87 : x
  2. Step 2: Convert to fraction form
    25,790.33/38,685.60 = 9,150.87/x
  3. Step 3: Cross multiply
    25,790.33x = 38,685.60 × 9,150.87
  4. Step 4: Simplify right side
    25,790.33x = 354,007,041.54
  5. Step 5: Solve for x
    x = 354,007,041.54/25,790.33
  6. Step 6: Final answer
    x = 13,726.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.