Home / 14,728.35-20,324.92-8,013.90

Finding the Fourth Proportional to 14,728.35, 20,324.92 and 8,013.90

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Solution

The fourth proportional to 14,728.35, 20,324.92 and 8,013.90 is: 11,059.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728.35 : 20,324.92 = 8,013.90 : x
  2. Step 2: Convert to fraction form
    14,728.35/20,324.92 = 8,013.90/x
  3. Step 3: Cross multiply
    14,728.35x = 20,324.92 × 8,013.90
  4. Step 4: Simplify right side
    14,728.35x = 162,881,876.39
  5. Step 5: Solve for x
    x = 162,881,876.39/14,728.35
  6. Step 6: Final answer
    x = 11,059.07

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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.