Home / 22,090.74-30,494.10-15,021.46

Finding the Fourth Proportional to 22,090.74, 30,494.10 and 15,021.46

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Solution

The fourth proportional to 22,090.74, 30,494.10 and 15,021.46 is: 20,735.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,090.74 : 30,494.10 = 15,021.46 : x
  2. Step 2: Convert to fraction form
    22,090.74/30,494.10 = 15,021.46/x
  3. Step 3: Cross multiply
    22,090.74x = 30,494.10 × 15,021.46
  4. Step 4: Simplify right side
    22,090.74x = 458,065,903.39
  5. Step 5: Solve for x
    x = 458,065,903.39/22,090.74
  6. Step 6: Final answer
    x = 20,735.65

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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.