Home / 23,387.16-32,274.14-12,776.78

Finding the Fourth Proportional to 23,387.16, 32,274.14 and 12,776.78

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Solution

The fourth proportional to 23,387.16, 32,274.14 and 12,776.78 is: 17,631.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,387.16 : 32,274.14 = 12,776.78 : x
  2. Step 2: Convert to fraction form
    23,387.16/32,274.14 = 12,776.78/x
  3. Step 3: Cross multiply
    23,387.16x = 32,274.14 × 12,776.78
  4. Step 4: Simplify right side
    23,387.16x = 412,359,586.47
  5. Step 5: Solve for x
    x = 412,359,586.47/23,387.16
  6. Step 6: Final answer
    x = 17,631.88

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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.