Home / 13,028-19,547.66-5,132.92

Finding the Fourth Proportional to 13,028, 19,547.66 and 5,132.92

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Solution

The fourth proportional to 13,028, 19,547.66 and 5,132.92 is: 7,701.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028 : 19,547.66 = 5,132.92 : x
  2. Step 2: Convert to fraction form
    13,028/19,547.66 = 5,132.92/x
  3. Step 3: Cross multiply
    13,028x = 19,547.66 × 5,132.92
  4. Step 4: Simplify right side
    13,028x = 100,336,574.97
  5. Step 5: Solve for x
    x = 100,336,574.97/13,028
  6. Step 6: Final answer
    x = 7,701.61

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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.