Home / 14,731.75-20,329.76-8,017.25

Finding the Fourth Proportional to 14,731.75, 20,329.76 and 8,017.25

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Solution

The fourth proportional to 14,731.75, 20,329.76 and 8,017.25 is: 11,063.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731.75 : 20,329.76 = 8,017.25 : x
  2. Step 2: Convert to fraction form
    14,731.75/20,329.76 = 8,017.25/x
  3. Step 3: Cross multiply
    14,731.75x = 20,329.76 × 8,017.25
  4. Step 4: Simplify right side
    14,731.75x = 162,988,768.36
  5. Step 5: Solve for x
    x = 162,988,768.36/14,731.75
  6. Step 6: Final answer
    x = 11,063.78

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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.