Home / 22,035.97-30,409.45-11,964.21

Finding the Fourth Proportional to 22,035.97, 30,409.45 and 11,964.21

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Solution

The fourth proportional to 22,035.97, 30,409.45 and 11,964.21 is: 16,510.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,035.97 : 30,409.45 = 11,964.21 : x
  2. Step 2: Convert to fraction form
    22,035.97/30,409.45 = 11,964.21/x
  3. Step 3: Cross multiply
    22,035.97x = 30,409.45 × 11,964.21
  4. Step 4: Simplify right side
    22,035.97x = 363,824,901.84
  5. Step 5: Solve for x
    x = 363,824,901.84/22,035.97
  6. Step 6: Final answer
    x = 16,510.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.