Home / 29,890.20-41,258.86-18,568.40

Finding the Fourth Proportional to 29,890.20, 41,258.86 and 18,568.40

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Solution

The fourth proportional to 29,890.20, 41,258.86 and 18,568.40 is: 25,630.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,890.20 : 41,258.86 = 18,568.40 : x
  2. Step 2: Convert to fraction form
    29,890.20/41,258.86 = 18,568.40/x
  3. Step 3: Cross multiply
    29,890.20x = 41,258.86 × 18,568.40
  4. Step 4: Simplify right side
    29,890.20x = 766,111,016.02
  5. Step 5: Solve for x
    x = 766,111,016.02/29,890.20
  6. Step 6: Final answer
    x = 25,630.84

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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.