Home / 14,725.13-20,320.67-8,101.13

Finding the Fourth Proportional to 14,725.13, 20,320.67 and 8,101.13

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Solution

The fourth proportional to 14,725.13, 20,320.67 and 8,101.13 is: 11,179.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,725.13 : 20,320.67 = 8,101.13 : x
  2. Step 2: Convert to fraction form
    14,725.13/20,320.67 = 8,101.13/x
  3. Step 3: Cross multiply
    14,725.13x = 20,320.67 × 8,101.13
  4. Step 4: Simplify right side
    14,725.13x = 164,620,308.01
  5. Step 5: Solve for x
    x = 164,620,308.01/14,725.13
  6. Step 6: Final answer
    x = 11,179.55

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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.