Home / 14,725.35-20,320.79-8,010.90

Finding the Fourth Proportional to 14,725.35, 20,320.79 and 8,010.90

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Solution

The fourth proportional to 14,725.35, 20,320.79 and 8,010.90 is: 11,054.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,725.35 : 20,320.79 = 8,010.90 : x
  2. Step 2: Convert to fraction form
    14,725.35/20,320.79 = 8,010.90/x
  3. Step 3: Cross multiply
    14,725.35x = 20,320.79 × 8,010.90
  4. Step 4: Simplify right side
    14,725.35x = 162,787,776.56
  5. Step 5: Solve for x
    x = 162,787,776.56/14,725.35
  6. Step 6: Final answer
    x = 11,054.93

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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.