Home / 19,239.96-28,862.82-6,761.46

Finding the Fourth Proportional to 19,239.96, 28,862.82 and 6,761.46

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Solution

The fourth proportional to 19,239.96, 28,862.82 and 6,761.46 is: 10,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.96 : 28,862.82 = 6,761.46 : x
  2. Step 2: Convert to fraction form
    19,239.96/28,862.82 = 6,761.46/x
  3. Step 3: Cross multiply
    19,239.96x = 28,862.82 × 6,761.46
  4. Step 4: Simplify right side
    19,239.96x = 195,154,802.92
  5. Step 5: Solve for x
    x = 195,154,802.92/19,239.96
  6. Step 6: Final answer
    x = 10,143.20

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1.5x scale

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.