Home / 14,001.24-21,001.61-3,471.29

Finding the Fourth Proportional to 14,001.24, 21,001.61 and 3,471.29

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Solution

The fourth proportional to 14,001.24, 21,001.61 and 3,471.29 is: 5,206.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.24 : 21,001.61 = 3,471.29 : x
  2. Step 2: Convert to fraction form
    14,001.24/21,001.61 = 3,471.29/x
  3. Step 3: Cross multiply
    14,001.24x = 21,001.61 × 3,471.29
  4. Step 4: Simplify right side
    14,001.24x = 72,902,678.78
  5. Step 5: Solve for x
    x = 72,902,678.78/14,001.24
  6. Step 6: Final answer
    x = 5,206.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.