Home / 14,711.66-20,302.28-7,997.42

Finding the Fourth Proportional to 14,711.66, 20,302.28 and 7,997.42

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Solution

The fourth proportional to 14,711.66, 20,302.28 and 7,997.42 is: 11,036.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,711.66 : 20,302.28 = 7,997.42 : x
  2. Step 2: Convert to fraction form
    14,711.66/20,302.28 = 7,997.42/x
  3. Step 3: Cross multiply
    14,711.66x = 20,302.28 × 7,997.42
  4. Step 4: Simplify right side
    14,711.66x = 162,365,860.12
  5. Step 5: Solve for x
    x = 162,365,860.12/14,711.66
  6. Step 6: Final answer
    x = 11,036.54

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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.