Home / 20,722.24-31,061.30-14,132.08

Finding the Fourth Proportional to 20,722.24, 31,061.30 and 14,132.08

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Solution

The fourth proportional to 20,722.24, 31,061.30 and 14,132.08 is: 21,183.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,722.24 : 31,061.30 = 14,132.08 : x
  2. Step 2: Convert to fraction form
    20,722.24/31,061.30 = 14,132.08/x
  3. Step 3: Cross multiply
    20,722.24x = 31,061.30 × 14,132.08
  4. Step 4: Simplify right side
    20,722.24x = 438,960,776.50
  5. Step 5: Solve for x
    x = 438,960,776.50/20,722.24
  6. Step 6: Final answer
    x = 21,183.08

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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.