Home / 14,599.12-20,144.76-8,224.64

Finding the Fourth Proportional to 14,599.12, 20,144.76 and 8,224.64

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Solution

The fourth proportional to 14,599.12, 20,144.76 and 8,224.64 is: 11,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,599.12 : 20,144.76 = 8,224.64 : x
  2. Step 2: Convert to fraction form
    14,599.12/20,144.76 = 8,224.64/x
  3. Step 3: Cross multiply
    14,599.12x = 20,144.76 × 8,224.64
  4. Step 4: Simplify right side
    14,599.12x = 165,683,398.89
  5. Step 5: Solve for x
    x = 165,683,398.89/14,599.12
  6. Step 6: Final answer
    x = 11,348.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.