Home / 29,366.20-40,505.29-18,751.05

Finding the Fourth Proportional to 29,366.20, 40,505.29 and 18,751.05

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Solution

The fourth proportional to 29,366.20, 40,505.29 and 18,751.05 is: 25,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,366.20 : 40,505.29 = 18,751.05 : x
  2. Step 2: Convert to fraction form
    29,366.20/40,505.29 = 18,751.05/x
  3. Step 3: Cross multiply
    29,366.20x = 40,505.29 × 18,751.05
  4. Step 4: Simplify right side
    29,366.20x = 759,516,718.05
  5. Step 5: Solve for x
    x = 759,516,718.05/29,366.20
  6. Step 6: Final answer
    x = 25,863.64

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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.