Home / 22,378.28-30,883.55-14,811.66

Finding the Fourth Proportional to 22,378.28, 30,883.55 and 14,811.66

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Solution

The fourth proportional to 22,378.28, 30,883.55 and 14,811.66 is: 20,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378.28 : 30,883.55 = 14,811.66 : x
  2. Step 2: Convert to fraction form
    22,378.28/30,883.55 = 14,811.66/x
  3. Step 3: Cross multiply
    22,378.28x = 30,883.55 × 14,811.66
  4. Step 4: Simplify right side
    22,378.28x = 457,436,568.13
  5. Step 5: Solve for x
    x = 457,436,568.13/22,378.28
  6. Step 6: Final answer
    x = 20,441.10

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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.