Home / 22,268.44-30,715.68-14,320.72

Finding the Fourth Proportional to 22,268.44, 30,715.68 and 14,320.72

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Solution

The fourth proportional to 22,268.44, 30,715.68 and 14,320.72 is: 19,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,268.44 : 30,715.68 = 14,320.72 : x
  2. Step 2: Convert to fraction form
    22,268.44/30,715.68 = 14,320.72/x
  3. Step 3: Cross multiply
    22,268.44x = 30,715.68 × 14,320.72
  4. Step 4: Simplify right side
    22,268.44x = 439,870,652.89
  5. Step 5: Solve for x
    x = 439,870,652.89/22,268.44
  6. Step 6: Final answer
    x = 19,753.10

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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.