Home / 14,617.11-20,170.17-8,953.47

Finding the Fourth Proportional to 14,617.11, 20,170.17 and 8,953.47

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Solution

The fourth proportional to 14,617.11, 20,170.17 and 8,953.47 is: 12,354.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.11 : 20,170.17 = 8,953.47 : x
  2. Step 2: Convert to fraction form
    14,617.11/20,170.17 = 8,953.47/x
  3. Step 3: Cross multiply
    14,617.11x = 20,170.17 × 8,953.47
  4. Step 4: Simplify right side
    14,617.11x = 180,593,011.99
  5. Step 5: Solve for x
    x = 180,593,011.99/14,617.11
  6. Step 6: Final answer
    x = 12,354.91

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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.