Home / 14,609.46-20,156.13-8,317.38

Finding the Fourth Proportional to 14,609.46, 20,156.13 and 8,317.38

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Solution

The fourth proportional to 14,609.46, 20,156.13 and 8,317.38 is: 11,475.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.46 : 20,156.13 = 8,317.38 : x
  2. Step 2: Convert to fraction form
    14,609.46/20,156.13 = 8,317.38/x
  3. Step 3: Cross multiply
    14,609.46x = 20,156.13 × 8,317.38
  4. Step 4: Simplify right side
    14,609.46x = 167,646,192.54
  5. Step 5: Solve for x
    x = 167,646,192.54/14,609.46
  6. Step 6: Final answer
    x = 11,475.18

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Half scale
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Double scale
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Similar ratio
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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.