Home / 22,268.20-30,715.32-14,320.48

Finding the Fourth Proportional to 22,268.20, 30,715.32 and 14,320.48

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Solution

The fourth proportional to 22,268.20, 30,715.32 and 14,320.48 is: 19,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,268.20 : 30,715.32 = 14,320.48 : x
  2. Step 2: Convert to fraction form
    22,268.20/30,715.32 = 14,320.48/x
  3. Step 3: Cross multiply
    22,268.20x = 30,715.32 × 14,320.48
  4. Step 4: Simplify right side
    22,268.20x = 439,858,125.75
  5. Step 5: Solve for x
    x = 439,858,125.75/22,268.20
  6. Step 6: Final answer
    x = 19,752.75

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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.