Home / 22,720.59-31,348.67-14,226.84

Finding the Fourth Proportional to 22,720.59, 31,348.67 and 14,226.84

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Solution

The fourth proportional to 22,720.59, 31,348.67 and 14,226.84 is: 19,629.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,720.59 : 31,348.67 = 14,226.84 : x
  2. Step 2: Convert to fraction form
    22,720.59/31,348.67 = 14,226.84/x
  3. Step 3: Cross multiply
    22,720.59x = 31,348.67 × 14,226.84
  4. Step 4: Simplify right side
    22,720.59x = 445,992,441.17
  5. Step 5: Solve for x
    x = 445,992,441.17/22,720.59
  6. Step 6: Final answer
    x = 19,629.44

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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.