Home / 23,781.40-35,686.68-10,644.88

Finding the Fourth Proportional to 23,781.40, 35,686.68 and 10,644.88

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Solution

The fourth proportional to 23,781.40, 35,686.68 and 10,644.88 is: 15,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,781.40 : 35,686.68 = 10,644.88 : x
  2. Step 2: Convert to fraction form
    23,781.40/35,686.68 = 10,644.88/x
  3. Step 3: Cross multiply
    23,781.40x = 35,686.68 × 10,644.88
  4. Step 4: Simplify right side
    23,781.40x = 379,880,426.20
  5. Step 5: Solve for x
    x = 379,880,426.20/23,781.40
  6. Step 6: Final answer
    x = 15,973.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.