Home / 19,822.66-29,733.41-7,972.76

Finding the Fourth Proportional to 19,822.66, 29,733.41 and 7,972.76

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Solution

The fourth proportional to 19,822.66, 29,733.41 and 7,972.76 is: 11,958.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,822.66 : 29,733.41 = 7,972.76 : x
  2. Step 2: Convert to fraction form
    19,822.66/29,733.41 = 7,972.76/x
  3. Step 3: Cross multiply
    19,822.66x = 29,733.41 × 7,972.76
  4. Step 4: Simplify right side
    19,822.66x = 237,057,436.18
  5. Step 5: Solve for x
    x = 237,057,436.18/19,822.66
  6. Step 6: Final answer
    x = 11,958.91

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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.