Home / 14,750.25-20,355.36-8,126.25

Finding the Fourth Proportional to 14,750.25, 20,355.36 and 8,126.25

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Solution

The fourth proportional to 14,750.25, 20,355.36 and 8,126.25 is: 11,214.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,750.25 : 20,355.36 = 8,126.25 : x
  2. Step 2: Convert to fraction form
    14,750.25/20,355.36 = 8,126.25/x
  3. Step 3: Cross multiply
    14,750.25x = 20,355.36 × 8,126.25
  4. Step 4: Simplify right side
    14,750.25x = 165,412,744.20
  5. Step 5: Solve for x
    x = 165,412,744.20/14,750.25
  6. Step 6: Final answer
    x = 11,214.23

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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.