Home / 18,826.53-28,239.48-4,595.15

Finding the Fourth Proportional to 18,826.53, 28,239.48 and 4,595.15

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Solution

The fourth proportional to 18,826.53, 28,239.48 and 4,595.15 is: 6,892.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.53 : 28,239.48 = 4,595.15 : x
  2. Step 2: Convert to fraction form
    18,826.53/28,239.48 = 4,595.15/x
  3. Step 3: Cross multiply
    18,826.53x = 28,239.48 × 4,595.15
  4. Step 4: Simplify right side
    18,826.53x = 129,764,505.32
  5. Step 5: Solve for x
    x = 129,764,505.32/18,826.53
  6. Step 6: Final answer
    x = 6,892.64

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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.