Home / 22,113.61-33,170.36-7,322.55

Finding the Fourth Proportional to 22,113.61, 33,170.36 and 7,322.55

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Solution

The fourth proportional to 22,113.61, 33,170.36 and 7,322.55 is: 10,983.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,113.61 : 33,170.36 = 7,322.55 : x
  2. Step 2: Convert to fraction form
    22,113.61/33,170.36 = 7,322.55/x
  3. Step 3: Cross multiply
    22,113.61x = 33,170.36 × 7,322.55
  4. Step 4: Simplify right side
    22,113.61x = 242,891,686.39
  5. Step 5: Solve for x
    x = 242,891,686.39/22,113.61
  6. Step 6: Final answer
    x = 10,983.81

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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.