Home / 14,604.53-20,154.34-8,231.23

Finding the Fourth Proportional to 14,604.53, 20,154.34 and 8,231.23

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Solution

The fourth proportional to 14,604.53, 20,154.34 and 8,231.23 is: 11,359.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,604.53 : 20,154.34 = 8,231.23 : x
  2. Step 2: Convert to fraction form
    14,604.53/20,154.34 = 8,231.23/x
  3. Step 3: Cross multiply
    14,604.53x = 20,154.34 × 8,231.23
  4. Step 4: Simplify right side
    14,604.53x = 165,894,937.07
  5. Step 5: Solve for x
    x = 165,894,937.07/14,604.53
  6. Step 6: Final answer
    x = 11,359.14

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Double scale
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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.