Home / 25,355.88-34,941.76-18,268.92

Finding the Fourth Proportional to 25,355.88, 34,941.76 and 18,268.92

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Solution

The fourth proportional to 25,355.88, 34,941.76 and 18,268.92 is: 25,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,355.88 : 34,941.76 = 18,268.92 : x
  2. Step 2: Convert to fraction form
    25,355.88/34,941.76 = 18,268.92/x
  3. Step 3: Cross multiply
    25,355.88x = 34,941.76 × 18,268.92
  4. Step 4: Simplify right side
    25,355.88x = 638,348,218.10
  5. Step 5: Solve for x
    x = 638,348,218.10/25,355.88
  6. Step 6: Final answer
    x = 25,175.55

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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.