Home / 15,173.46-22,770.65-5,312.79

Finding the Fourth Proportional to 15,173.46, 22,770.65 and 5,312.79

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Solution

The fourth proportional to 15,173.46, 22,770.65 and 5,312.79 is: 7,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,173.46 : 22,770.65 = 5,312.79 : x
  2. Step 2: Convert to fraction form
    15,173.46/22,770.65 = 5,312.79/x
  3. Step 3: Cross multiply
    15,173.46x = 22,770.65 × 5,312.79
  4. Step 4: Simplify right side
    15,173.46x = 120,975,694.90
  5. Step 5: Solve for x
    x = 120,975,694.90/15,173.46
  6. Step 6: Final answer
    x = 7,972.85

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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.