Home / 23,104.80-31,884.74-12,494.40

Finding the Fourth Proportional to 23,104.80, 31,884.74 and 12,494.40

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Solution

The fourth proportional to 23,104.80, 31,884.74 and 12,494.40 is: 17,242.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,104.80 : 31,884.74 = 12,494.40 : x
  2. Step 2: Convert to fraction form
    23,104.80/31,884.74 = 12,494.40/x
  3. Step 3: Cross multiply
    23,104.80x = 31,884.74 × 12,494.40
  4. Step 4: Simplify right side
    23,104.80x = 398,380,695.46
  5. Step 5: Solve for x
    x = 398,380,695.46/23,104.80
  6. Step 6: Final answer
    x = 17,242.33

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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.