Home / 13,148.48-19,709.96-5,248.71

Finding the Fourth Proportional to 13,148.48, 19,709.96 and 5,248.71

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Solution

The fourth proportional to 13,148.48, 19,709.96 and 5,248.71 is: 7,867.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.48 : 19,709.96 = 5,248.71 : x
  2. Step 2: Convert to fraction form
    13,148.48/19,709.96 = 5,248.71/x
  3. Step 3: Cross multiply
    13,148.48x = 19,709.96 × 5,248.71
  4. Step 4: Simplify right side
    13,148.48x = 103,451,837.91
  5. Step 5: Solve for x
    x = 103,451,837.91/13,148.48
  6. Step 6: Final answer
    x = 7,867.97

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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.