Home / 14,581.35-20,117.23-8,206.92

Finding the Fourth Proportional to 14,581.35, 20,117.23 and 8,206.92

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Solution

The fourth proportional to 14,581.35, 20,117.23 and 8,206.92 is: 11,322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.35 : 20,117.23 = 8,206.92 : x
  2. Step 2: Convert to fraction form
    14,581.35/20,117.23 = 8,206.92/x
  3. Step 3: Cross multiply
    14,581.35x = 20,117.23 × 8,206.92
  4. Step 4: Simplify right side
    14,581.35x = 165,100,476.71
  5. Step 5: Solve for x
    x = 165,100,476.71/14,581.35
  6. Step 6: Final answer
    x = 11,322.72

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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.