Home / 13,148.24-19,721.14-5,248.68

Finding the Fourth Proportional to 13,148.24, 19,721.14 and 5,248.68

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Solution

The fourth proportional to 13,148.24, 19,721.14 and 5,248.68 is: 7,872.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.24 : 19,721.14 = 5,248.68 : x
  2. Step 2: Convert to fraction form
    13,148.24/19,721.14 = 5,248.68/x
  3. Step 3: Cross multiply
    13,148.24x = 19,721.14 × 5,248.68
  4. Step 4: Simplify right side
    13,148.24x = 103,509,953.10
  5. Step 5: Solve for x
    x = 103,509,953.10/13,148.24
  6. Step 6: Final answer
    x = 7,872.53

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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.