Home / 22,040.96-30,401.43-14,079.65

Finding the Fourth Proportional to 22,040.96, 30,401.43 and 14,079.65

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Solution

The fourth proportional to 22,040.96, 30,401.43 and 14,079.65 is: 19,420.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,040.96 : 30,401.43 = 14,079.65 : x
  2. Step 2: Convert to fraction form
    22,040.96/30,401.43 = 14,079.65/x
  3. Step 3: Cross multiply
    22,040.96x = 30,401.43 × 14,079.65
  4. Step 4: Simplify right side
    22,040.96x = 428,041,493.90
  5. Step 5: Solve for x
    x = 428,041,493.90/22,040.96
  6. Step 6: Final answer
    x = 19,420.27

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Half scale
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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.