Home / 18,334.02-25,299.42-10,780.68

Finding the Fourth Proportional to 18,334.02, 25,299.42 and 10,780.68

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Solution

The fourth proportional to 18,334.02, 25,299.42 and 10,780.68 is: 14,876.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,334.02 : 25,299.42 = 10,780.68 : x
  2. Step 2: Convert to fraction form
    18,334.02/25,299.42 = 10,780.68/x
  3. Step 3: Cross multiply
    18,334.02x = 25,299.42 × 10,780.68
  4. Step 4: Simplify right side
    18,334.02x = 272,744,951.21
  5. Step 5: Solve for x
    x = 272,744,951.21/18,334.02
  6. Step 6: Final answer
    x = 14,876.44

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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.