Home / 17,220.65-23,778.50-14,034.42

Finding the Fourth Proportional to 17,220.65, 23,778.50 and 14,034.42

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Solution

The fourth proportional to 17,220.65, 23,778.50 and 14,034.42 is: 19,378.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.65 : 23,778.50 = 14,034.42 : x
  2. Step 2: Convert to fraction form
    17,220.65/23,778.50 = 14,034.42/x
  3. Step 3: Cross multiply
    17,220.65x = 23,778.50 × 14,034.42
  4. Step 4: Simplify right side
    17,220.65x = 333,717,385.80
  5. Step 5: Solve for x
    x = 333,717,385.80/17,220.65
  6. Step 6: Final answer
    x = 19,378.91

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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.