Home / 19,838.61-29,742.36-10,327.95

Finding the Fourth Proportional to 19,838.61, 29,742.36 and 10,327.95

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Solution

The fourth proportional to 19,838.61, 29,742.36 and 10,327.95 is: 15,483.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.61 : 29,742.36 = 10,327.95 : x
  2. Step 2: Convert to fraction form
    19,838.61/29,742.36 = 10,327.95/x
  3. Step 3: Cross multiply
    19,838.61x = 29,742.36 × 10,327.95
  4. Step 4: Simplify right side
    19,838.61x = 307,177,606.96
  5. Step 5: Solve for x
    x = 307,177,606.96/19,838.61
  6. Step 6: Final answer
    x = 15,483.83

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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.