Home / 16,845.65-25,268.40-13,151

Finding the Fourth Proportional to 16,845.65, 25,268.40 and 13,151

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Solution

The fourth proportional to 16,845.65, 25,268.40 and 13,151 is: 19,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,845.65 : 25,268.40 = 13,151 : x
  2. Step 2: Convert to fraction form
    16,845.65/25,268.40 = 13,151/x
  3. Step 3: Cross multiply
    16,845.65x = 25,268.40 × 13,151
  4. Step 4: Simplify right side
    16,845.65x = 332,304,728.40
  5. Step 5: Solve for x
    x = 332,304,728.40/16,845.65
  6. Step 6: Final answer
    x = 19,726.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.