Home / 14,715.46-20,307.75-8,001.55

Finding the Fourth Proportional to 14,715.46, 20,307.75 and 8,001.55

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Solution

The fourth proportional to 14,715.46, 20,307.75 and 8,001.55 is: 11,042.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,715.46 : 20,307.75 = 8,001.55 : x
  2. Step 2: Convert to fraction form
    14,715.46/20,307.75 = 8,001.55/x
  3. Step 3: Cross multiply
    14,715.46x = 20,307.75 × 8,001.55
  4. Step 4: Simplify right side
    14,715.46x = 162,493,472.39
  5. Step 5: Solve for x
    x = 162,493,472.39/14,715.46
  6. Step 6: Final answer
    x = 11,042.37

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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.