Home / 22,318.88-30,799.02-12,247.07

Finding the Fourth Proportional to 22,318.88, 30,799.02 and 12,247.07

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Solution

The fourth proportional to 22,318.88, 30,799.02 and 12,247.07 is: 16,900.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,318.88 : 30,799.02 = 12,247.07 : x
  2. Step 2: Convert to fraction form
    22,318.88/30,799.02 = 12,247.07/x
  3. Step 3: Cross multiply
    22,318.88x = 30,799.02 × 12,247.07
  4. Step 4: Simplify right side
    22,318.88x = 377,197,753.87
  5. Step 5: Solve for x
    x = 377,197,753.87/22,318.88
  6. Step 6: Final answer
    x = 16,900.39

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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.