Home / 23,400.12-32,294.39-12,791.35

Finding the Fourth Proportional to 23,400.12, 32,294.39 and 12,791.35

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Solution

The fourth proportional to 23,400.12, 32,294.39 and 12,791.35 is: 17,653.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,400.12 : 32,294.39 = 12,791.35 : x
  2. Step 2: Convert to fraction form
    23,400.12/32,294.39 = 12,791.35/x
  3. Step 3: Cross multiply
    23,400.12x = 32,294.39 × 12,791.35
  4. Step 4: Simplify right side
    23,400.12x = 413,088,845.53
  5. Step 5: Solve for x
    x = 413,088,845.53/23,400.12
  6. Step 6: Final answer
    x = 17,653.28

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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.