Home / 19,972.41-29,969.41-7,500.97

Finding the Fourth Proportional to 19,972.41, 29,969.41 and 7,500.97

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Solution

The fourth proportional to 19,972.41, 29,969.41 and 7,500.97 is: 11,255.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.41 : 29,969.41 = 7,500.97 : x
  2. Step 2: Convert to fraction form
    19,972.41/29,969.41 = 7,500.97/x
  3. Step 3: Cross multiply
    19,972.41x = 29,969.41 × 7,500.97
  4. Step 4: Simplify right side
    19,972.41x = 224,799,607.82
  5. Step 5: Solve for x
    x = 224,799,607.82/19,972.41
  6. Step 6: Final answer
    x = 11,255.51

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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.