Home / 19,531.19-29,300.43-6,384.29

Finding the Fourth Proportional to 19,531.19, 29,300.43 and 6,384.29

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Solution

The fourth proportional to 19,531.19, 29,300.43 and 6,384.29 is: 9,577.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.19 : 29,300.43 = 6,384.29 : x
  2. Step 2: Convert to fraction form
    19,531.19/29,300.43 = 6,384.29/x
  3. Step 3: Cross multiply
    19,531.19x = 29,300.43 × 6,384.29
  4. Step 4: Simplify right side
    19,531.19x = 187,062,319.68
  5. Step 5: Solve for x
    x = 187,062,319.68/19,531.19
  6. Step 6: Final answer
    x = 9,577.62

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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.