Home / 15,161.88-22,740.86-4,773.72

Finding the Fourth Proportional to 15,161.88, 22,740.86 and 4,773.72

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Solution

The fourth proportional to 15,161.88, 22,740.86 and 4,773.72 is: 7,159.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,161.88 : 22,740.86 = 4,773.72 : x
  2. Step 2: Convert to fraction form
    15,161.88/22,740.86 = 4,773.72/x
  3. Step 3: Cross multiply
    15,161.88x = 22,740.86 × 4,773.72
  4. Step 4: Simplify right side
    15,161.88x = 108,558,498.20
  5. Step 5: Solve for x
    x = 108,558,498.20/15,161.88
  6. Step 6: Final answer
    x = 7,159.96

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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.