Home / 14,220.38-19,624.73-7,932.75

Finding the Fourth Proportional to 14,220.38, 19,624.73 and 7,932.75

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Solution

The fourth proportional to 14,220.38, 19,624.73 and 7,932.75 is: 10,947.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.38 : 19,624.73 = 7,932.75 : x
  2. Step 2: Convert to fraction form
    14,220.38/19,624.73 = 7,932.75/x
  3. Step 3: Cross multiply
    14,220.38x = 19,624.73 × 7,932.75
  4. Step 4: Simplify right side
    14,220.38x = 155,678,037.24
  5. Step 5: Solve for x
    x = 155,678,037.24/14,220.38
  6. Step 6: Final answer
    x = 10,947.53

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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.