Home / 19,424.49-29,133.51-5,385.96

Finding the Fourth Proportional to 19,424.49, 29,133.51 and 5,385.96

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Solution

The fourth proportional to 19,424.49, 29,133.51 and 5,385.96 is: 8,078.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424.49 : 29,133.51 = 5,385.96 : x
  2. Step 2: Convert to fraction form
    19,424.49/29,133.51 = 5,385.96/x
  3. Step 3: Cross multiply
    19,424.49x = 29,133.51 × 5,385.96
  4. Step 4: Simplify right side
    19,424.49x = 156,911,919.52
  5. Step 5: Solve for x
    x = 156,911,919.52/19,424.49
  6. Step 6: Final answer
    x = 8,078.05

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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.