Home / 22,121.28-33,012.05-19,756.59

Finding the Fourth Proportional to 22,121.28, 33,012.05 and 19,756.59

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Solution

The fourth proportional to 22,121.28, 33,012.05 and 19,756.59 is: 29,483.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121.28 : 33,012.05 = 19,756.59 : x
  2. Step 2: Convert to fraction form
    22,121.28/33,012.05 = 19,756.59/x
  3. Step 3: Cross multiply
    22,121.28x = 33,012.05 × 19,756.59
  4. Step 4: Simplify right side
    22,121.28x = 652,205,438.13
  5. Step 5: Solve for x
    x = 652,205,438.13/22,121.28
  6. Step 6: Final answer
    x = 29,483.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.