Home / 29,250.34-40,365.35-15,821.63

Finding the Fourth Proportional to 29,250.34, 40,365.35 and 15,821.63

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Solution

The fourth proportional to 29,250.34, 40,365.35 and 15,821.63 is: 21,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,250.34 : 40,365.35 = 15,821.63 : x
  2. Step 2: Convert to fraction form
    29,250.34/40,365.35 = 15,821.63/x
  3. Step 3: Cross multiply
    29,250.34x = 40,365.35 × 15,821.63
  4. Step 4: Simplify right side
    29,250.34x = 638,645,351.59
  5. Step 5: Solve for x
    x = 638,645,351.59/29,250.34
  6. Step 6: Final answer
    x = 21,833.78

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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.