Home / 25,418.18-38,117.84-8,773.68

Finding the Fourth Proportional to 25,418.18, 38,117.84 and 8,773.68

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Solution

The fourth proportional to 25,418.18, 38,117.84 and 8,773.68 is: 13,157.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,418.18 : 38,117.84 = 8,773.68 : x
  2. Step 2: Convert to fraction form
    25,418.18/38,117.84 = 8,773.68/x
  3. Step 3: Cross multiply
    25,418.18x = 38,117.84 × 8,773.68
  4. Step 4: Simplify right side
    25,418.18x = 334,433,686.58
  5. Step 5: Solve for x
    x = 334,433,686.58/25,418.18
  6. Step 6: Final answer
    x = 13,157.27

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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.