Home / 18,826.83-28,240.11-4,595.13

Finding the Fourth Proportional to 18,826.83, 28,240.11 and 4,595.13

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Solution

The fourth proportional to 18,826.83, 28,240.11 and 4,595.13 is: 6,892.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.83 : 28,240.11 = 4,595.13 : x
  2. Step 2: Convert to fraction form
    18,826.83/28,240.11 = 4,595.13/x
  3. Step 3: Cross multiply
    18,826.83x = 28,240.11 × 4,595.13
  4. Step 4: Simplify right side
    18,826.83x = 129,766,976.66
  5. Step 5: Solve for x
    x = 129,766,976.66/18,826.83
  6. Step 6: Final answer
    x = 6,892.66

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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.