Home / 29,821.58-41,143.48-18,486.92

Finding the Fourth Proportional to 29,821.58, 41,143.48 and 18,486.92

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Solution

The fourth proportional to 29,821.58, 41,143.48 and 18,486.92 is: 25,505.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,821.58 : 41,143.48 = 18,486.92 : x
  2. Step 2: Convert to fraction form
    29,821.58/41,143.48 = 18,486.92/x
  3. Step 3: Cross multiply
    29,821.58x = 41,143.48 × 18,486.92
  4. Step 4: Simplify right side
    29,821.58x = 760,615,925.13
  5. Step 5: Solve for x
    x = 760,615,925.13/29,821.58
  6. Step 6: Final answer
    x = 25,505.56

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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.