Home / 22,201.68-30,602.70-15,029.34

Finding the Fourth Proportional to 22,201.68, 30,602.70 and 15,029.34

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Solution

The fourth proportional to 22,201.68, 30,602.70 and 15,029.34 is: 20,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,201.68 : 30,602.70 = 15,029.34 : x
  2. Step 2: Convert to fraction form
    22,201.68/30,602.70 = 15,029.34/x
  3. Step 3: Cross multiply
    22,201.68x = 30,602.70 × 15,029.34
  4. Step 4: Simplify right side
    22,201.68x = 459,938,383.22
  5. Step 5: Solve for x
    x = 459,938,383.22/22,201.68
  6. Step 6: Final answer
    x = 20,716.38

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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.