Home / 18,324.12-25,285.84-10,770.72

Finding the Fourth Proportional to 18,324.12, 25,285.84 and 10,770.72

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Solution

The fourth proportional to 18,324.12, 25,285.84 and 10,770.72 is: 14,862.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324.12 : 25,285.84 = 10,770.72 : x
  2. Step 2: Convert to fraction form
    18,324.12/25,285.84 = 10,770.72/x
  3. Step 3: Cross multiply
    18,324.12x = 25,285.84 × 10,770.72
  4. Step 4: Simplify right side
    18,324.12x = 272,346,702.60
  5. Step 5: Solve for x
    x = 272,346,702.60/18,324.12
  6. Step 6: Final answer
    x = 14,862.74

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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.