Home / 23,387.50-32,274.75-12,777.18

Finding the Fourth Proportional to 23,387.50, 32,274.75 and 12,777.18

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Solution

The fourth proportional to 23,387.50, 32,274.75 and 12,777.18 is: 17,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,387.50 : 32,274.75 = 12,777.18 : x
  2. Step 2: Convert to fraction form
    23,387.50/32,274.75 = 12,777.18/x
  3. Step 3: Cross multiply
    23,387.50x = 32,274.75 × 12,777.18
  4. Step 4: Simplify right side
    23,387.50x = 412,380,290.21
  5. Step 5: Solve for x
    x = 412,380,290.21/23,387.50
  6. Step 6: Final answer
    x = 17,632.51

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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.