Home / 15,154.96-22,731.90-5,294.20

Finding the Fourth Proportional to 15,154.96, 22,731.90 and 5,294.20

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Solution

The fourth proportional to 15,154.96, 22,731.90 and 5,294.20 is: 7,941.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,154.96 : 22,731.90 = 5,294.20 : x
  2. Step 2: Convert to fraction form
    15,154.96/22,731.90 = 5,294.20/x
  3. Step 3: Cross multiply
    15,154.96x = 22,731.90 × 5,294.20
  4. Step 4: Simplify right side
    15,154.96x = 120,347,224.98
  5. Step 5: Solve for x
    x = 120,347,224.98/15,154.96
  6. Step 6: Final answer
    x = 7,941.11

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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.