Home / 22,346.74-30,819.65-15,961.51

Finding the Fourth Proportional to 22,346.74, 30,819.65 and 15,961.51

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Solution

The fourth proportional to 22,346.74, 30,819.65 and 15,961.51 is: 22,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,346.74 : 30,819.65 = 15,961.51 : x
  2. Step 2: Convert to fraction form
    22,346.74/30,819.65 = 15,961.51/x
  3. Step 3: Cross multiply
    22,346.74x = 30,819.65 × 15,961.51
  4. Step 4: Simplify right side
    22,346.74x = 491,928,151.67
  5. Step 5: Solve for x
    x = 491,928,151.67/22,346.74
  6. Step 6: Final answer
    x = 22,013.42

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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.