Home / 14,945.75-20,624.32-8,230.06

Finding the Fourth Proportional to 14,945.75, 20,624.32 and 8,230.06

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Solution

The fourth proportional to 14,945.75, 20,624.32 and 8,230.06 is: 11,357.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.75 : 20,624.32 = 8,230.06 : x
  2. Step 2: Convert to fraction form
    14,945.75/20,624.32 = 8,230.06/x
  3. Step 3: Cross multiply
    14,945.75x = 20,624.32 × 8,230.06
  4. Step 4: Simplify right side
    14,945.75x = 169,739,391.06
  5. Step 5: Solve for x
    x = 169,739,391.06/14,945.75
  6. Step 6: Final answer
    x = 11,357.04

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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.