Home / 25,443.06-38,157.20-8,798.78

Finding the Fourth Proportional to 25,443.06, 38,157.20 and 8,798.78

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Solution

The fourth proportional to 25,443.06, 38,157.20 and 8,798.78 is: 13,195.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,443.06 : 38,157.20 = 8,798.78 : x
  2. Step 2: Convert to fraction form
    25,443.06/38,157.20 = 8,798.78/x
  3. Step 3: Cross multiply
    25,443.06x = 38,157.20 × 8,798.78
  4. Step 4: Simplify right side
    25,443.06x = 335,736,808.22
  5. Step 5: Solve for x
    x = 335,736,808.22/25,443.06
  6. Step 6: Final answer
    x = 13,195.61

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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.