Home / 23,348.60-32,221.20-12,738.40

Finding the Fourth Proportional to 23,348.60, 32,221.20 and 12,738.40

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Solution

The fourth proportional to 23,348.60, 32,221.20 and 12,738.40 is: 17,579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,348.60 : 32,221.20 = 12,738.40 : x
  2. Step 2: Convert to fraction form
    23,348.60/32,221.20 = 12,738.40/x
  3. Step 3: Cross multiply
    23,348.60x = 32,221.20 × 12,738.40
  4. Step 4: Simplify right side
    23,348.60x = 410,446,534.08
  5. Step 5: Solve for x
    x = 410,446,534.08/23,348.60
  6. Step 6: Final answer
    x = 17,579.06

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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.