Home / 23,591.20-32,556.18-12,981.28

Finding the Fourth Proportional to 23,591.20, 32,556.18 and 12,981.28

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Solution

The fourth proportional to 23,591.20, 32,556.18 and 12,981.28 is: 17,914.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,591.20 : 32,556.18 = 12,981.28 : x
  2. Step 2: Convert to fraction form
    23,591.20/32,556.18 = 12,981.28/x
  3. Step 3: Cross multiply
    23,591.20x = 32,556.18 × 12,981.28
  4. Step 4: Simplify right side
    23,591.20x = 422,620,888.31
  5. Step 5: Solve for x
    x = 422,620,888.31/23,591.20
  6. Step 6: Final answer
    x = 17,914.34

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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.