Home / 19,424.20-29,132.82-5,192.92

Finding the Fourth Proportional to 19,424.20, 29,132.82 and 5,192.92

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Solution

The fourth proportional to 19,424.20, 29,132.82 and 5,192.92 is: 7,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424.20 : 29,132.82 = 5,192.92 : x
  2. Step 2: Convert to fraction form
    19,424.20/29,132.82 = 5,192.92/x
  3. Step 3: Cross multiply
    19,424.20x = 29,132.82 × 5,192.92
  4. Step 4: Simplify right side
    19,424.20x = 151,284,403.63
  5. Step 5: Solve for x
    x = 151,284,403.63/19,424.20
  6. Step 6: Final answer
    x = 7,788.45

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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.