Home / 29,264.63-40,371.89-18,647.64

Finding the Fourth Proportional to 29,264.63, 40,371.89 and 18,647.64

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Solution

The fourth proportional to 29,264.63, 40,371.89 and 18,647.64 is: 25,725.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,264.63 : 40,371.89 = 18,647.64 : x
  2. Step 2: Convert to fraction form
    29,264.63/40,371.89 = 18,647.64/x
  3. Step 3: Cross multiply
    29,264.63x = 40,371.89 × 18,647.64
  4. Step 4: Simplify right side
    29,264.63x = 752,840,377.60
  5. Step 5: Solve for x
    x = 752,840,377.60/29,264.63
  6. Step 6: Final answer
    x = 25,725.27

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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.