Home / 29,518.76-40,740.58-18,194.92

Finding the Fourth Proportional to 29,518.76, 40,740.58 and 18,194.92

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Solution

The fourth proportional to 29,518.76, 40,740.58 and 18,194.92 is: 25,111.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,518.76 : 40,740.58 = 18,194.92 : x
  2. Step 2: Convert to fraction form
    29,518.76/40,740.58 = 18,194.92/x
  3. Step 3: Cross multiply
    29,518.76x = 40,740.58 × 18,194.92
  4. Step 4: Simplify right side
    29,518.76x = 741,271,593.85
  5. Step 5: Solve for x
    x = 741,271,593.85/29,518.76
  6. Step 6: Final answer
    x = 25,111.88

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Double scale
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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.