Home / 19,301.08-28,944.24-10,531.30

Finding the Fourth Proportional to 19,301.08, 28,944.24 and 10,531.30

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Solution

The fourth proportional to 19,301.08, 28,944.24 and 10,531.30 is: 15,792.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.08 : 28,944.24 = 10,531.30 : x
  2. Step 2: Convert to fraction form
    19,301.08/28,944.24 = 10,531.30/x
  3. Step 3: Cross multiply
    19,301.08x = 28,944.24 × 10,531.30
  4. Step 4: Simplify right side
    19,301.08x = 304,820,474.71
  5. Step 5: Solve for x
    x = 304,820,474.71/19,301.08
  6. Step 6: Final answer
    x = 15,792.92

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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.