Home / 22,320.12-30,802.23-12,247.97

Finding the Fourth Proportional to 22,320.12, 30,802.23 and 12,247.97

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Solution

The fourth proportional to 22,320.12, 30,802.23 and 12,247.97 is: 16,902.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.12 : 30,802.23 = 12,247.97 : x
  2. Step 2: Convert to fraction form
    22,320.12/30,802.23 = 12,247.97/x
  3. Step 3: Cross multiply
    22,320.12x = 30,802.23 × 12,247.97
  4. Step 4: Simplify right side
    22,320.12x = 377,264,865.98
  5. Step 5: Solve for x
    x = 377,264,865.98/22,320.12
  6. Step 6: Final answer
    x = 16,902.46

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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.