Home / 22,090.74-30,454.02-15,792.18

Finding the Fourth Proportional to 22,090.74, 30,454.02 and 15,792.18

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Solution

The fourth proportional to 22,090.74, 30,454.02 and 15,792.18 is: 21,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,090.74 : 30,454.02 = 15,792.18 : x
  2. Step 2: Convert to fraction form
    22,090.74/30,454.02 = 15,792.18/x
  3. Step 3: Cross multiply
    22,090.74x = 30,454.02 × 15,792.18
  4. Step 4: Simplify right side
    22,090.74x = 480,935,365.56
  5. Step 5: Solve for x
    x = 480,935,365.56/22,090.74
  6. Step 6: Final answer
    x = 21,770.90

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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.