Home / 29,919.59-41,278.94-18,585.05

Finding the Fourth Proportional to 29,919.59, 41,278.94 and 18,585.05

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Solution

The fourth proportional to 29,919.59, 41,278.94 and 18,585.05 is: 25,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,919.59 : 41,278.94 = 18,585.05 : x
  2. Step 2: Convert to fraction form
    29,919.59/41,278.94 = 18,585.05/x
  3. Step 3: Cross multiply
    29,919.59x = 41,278.94 × 18,585.05
  4. Step 4: Simplify right side
    29,919.59x = 767,171,174.12
  5. Step 5: Solve for x
    x = 767,171,174.12/29,919.59
  6. Step 6: Final answer
    x = 25,641.10

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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.