Home / 25,218.50-34,789.85-16,268.89

Finding the Fourth Proportional to 25,218.50, 34,789.85 and 16,268.89

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Solution

The fourth proportional to 25,218.50, 34,789.85 and 16,268.89 is: 22,443.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,218.50 : 34,789.85 = 16,268.89 : x
  2. Step 2: Convert to fraction form
    25,218.50/34,789.85 = 16,268.89/x
  3. Step 3: Cross multiply
    25,218.50x = 34,789.85 × 16,268.89
  4. Step 4: Simplify right side
    25,218.50x = 565,992,242.77
  5. Step 5: Solve for x
    x = 565,992,242.77/25,218.50
  6. Step 6: Final answer
    x = 22,443.53

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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.