Home / 19,134.58-28,701.92-5,807.68

Finding the Fourth Proportional to 19,134.58, 28,701.92 and 5,807.68

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Solution

The fourth proportional to 19,134.58, 28,701.92 and 5,807.68 is: 8,711.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.58 : 28,701.92 = 5,807.68 : x
  2. Step 2: Convert to fraction form
    19,134.58/28,701.92 = 5,807.68/x
  3. Step 3: Cross multiply
    19,134.58x = 28,701.92 × 5,807.68
  4. Step 4: Simplify right side
    19,134.58x = 166,691,423.24
  5. Step 5: Solve for x
    x = 166,691,423.24/19,134.58
  6. Step 6: Final answer
    x = 8,711.53

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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.