Home / 14,715.39-20,302.07-8,341.23

Finding the Fourth Proportional to 14,715.39, 20,302.07 and 8,341.23

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Solution

The fourth proportional to 14,715.39, 20,302.07 and 8,341.23 is: 11,507.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,715.39 : 20,302.07 = 8,341.23 : x
  2. Step 2: Convert to fraction form
    14,715.39/20,302.07 = 8,341.23/x
  3. Step 3: Cross multiply
    14,715.39x = 20,302.07 × 8,341.23
  4. Step 4: Simplify right side
    14,715.39x = 169,344,193.64
  5. Step 5: Solve for x
    x = 169,344,193.64/14,715.39
  6. Step 6: Final answer
    x = 11,507.97

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Half scale
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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.