Home / 14,220.91-19,623.50-7,933.69

Finding the Fourth Proportional to 14,220.91, 19,623.50 and 7,933.69

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Solution

The fourth proportional to 14,220.91, 19,623.50 and 7,933.69 is: 10,947.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.91 : 19,623.50 = 7,933.69 : x
  2. Step 2: Convert to fraction form
    14,220.91/19,623.50 = 7,933.69/x
  3. Step 3: Cross multiply
    14,220.91x = 19,623.50 × 7,933.69
  4. Step 4: Simplify right side
    14,220.91x = 155,686,726.05
  5. Step 5: Solve for x
    x = 155,686,726.05/14,220.91
  6. Step 6: Final answer
    x = 10,947.73

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Double scale
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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.