Home / 22,139.68-33,219.30-11,607.18

Finding the Fourth Proportional to 22,139.68, 33,219.30 and 11,607.18

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Solution

The fourth proportional to 22,139.68, 33,219.30 and 11,607.18 is: 17,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,139.68 : 33,219.30 = 11,607.18 : x
  2. Step 2: Convert to fraction form
    22,139.68/33,219.30 = 11,607.18/x
  3. Step 3: Cross multiply
    22,139.68x = 33,219.30 × 11,607.18
  4. Step 4: Simplify right side
    22,139.68x = 385,582,394.57
  5. Step 5: Solve for x
    x = 385,582,394.57/22,139.68
  6. Step 6: Final answer
    x = 17,415.90

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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.