Home / 14,224.15-21,337.40-8,674.57

Finding the Fourth Proportional to 14,224.15, 21,337.40 and 8,674.57

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Solution

The fourth proportional to 14,224.15, 21,337.40 and 8,674.57 is: 13,012.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.15 : 21,337.40 = 8,674.57 : x
  2. Step 2: Convert to fraction form
    14,224.15/21,337.40 = 8,674.57/x
  3. Step 3: Cross multiply
    14,224.15x = 21,337.40 × 8,674.57
  4. Step 4: Simplify right side
    14,224.15x = 185,092,769.92
  5. Step 5: Solve for x
    x = 185,092,769.92/14,224.15
  6. Step 6: Final answer
    x = 13,012.57

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.