Home / 15,173.29-22,770.18-5,312.66

Finding the Fourth Proportional to 15,173.29, 22,770.18 and 5,312.66

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Solution

The fourth proportional to 15,173.29, 22,770.18 and 5,312.66 is: 7,972.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,173.29 : 22,770.18 = 5,312.66 : x
  2. Step 2: Convert to fraction form
    15,173.29/22,770.18 = 5,312.66/x
  3. Step 3: Cross multiply
    15,173.29x = 22,770.18 × 5,312.66
  4. Step 4: Simplify right side
    15,173.29x = 120,970,110.63
  5. Step 5: Solve for x
    x = 120,970,110.63/15,173.29
  6. Step 6: Final answer
    x = 7,972.57

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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.