Home / 18,105.61-24,984.36-10,146.76

Finding the Fourth Proportional to 18,105.61, 24,984.36 and 10,146.76

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Solution

The fourth proportional to 18,105.61, 24,984.36 and 10,146.76 is: 14,001.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105.61 : 24,984.36 = 10,146.76 : x
  2. Step 2: Convert to fraction form
    18,105.61/24,984.36 = 10,146.76/x
  3. Step 3: Cross multiply
    18,105.61x = 24,984.36 × 10,146.76
  4. Step 4: Simplify right side
    18,105.61x = 253,510,304.67
  5. Step 5: Solve for x
    x = 253,510,304.67/18,105.61
  6. Step 6: Final answer
    x = 14,001.75

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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.