Home / 22,390.47-33,388.17-22,190.61

Finding the Fourth Proportional to 22,390.47, 33,388.17 and 22,190.61

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Solution

The fourth proportional to 22,390.47, 33,388.17 and 22,190.61 is: 33,090.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,390.47 : 33,388.17 = 22,190.61 : x
  2. Step 2: Convert to fraction form
    22,390.47/33,388.17 = 22,190.61/x
  3. Step 3: Cross multiply
    22,390.47x = 33,388.17 × 22,190.61
  4. Step 4: Simplify right side
    22,390.47x = 740,903,859.08
  5. Step 5: Solve for x
    x = 740,903,859.08/22,390.47
  6. Step 6: Final answer
    x = 33,090.14

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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.