Home / 25,093.80-34,630.11-13,763.79

Finding the Fourth Proportional to 25,093.80, 34,630.11 and 13,763.79

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Solution

The fourth proportional to 25,093.80, 34,630.11 and 13,763.79 is: 18,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,093.80 : 34,630.11 = 13,763.79 : x
  2. Step 2: Convert to fraction form
    25,093.80/34,630.11 = 13,763.79/x
  3. Step 3: Cross multiply
    25,093.80x = 34,630.11 × 13,763.79
  4. Step 4: Simplify right side
    25,093.80x = 476,641,561.72
  5. Step 5: Solve for x
    x = 476,641,561.72/25,093.80
  6. Step 6: Final answer
    x = 18,994.40

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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.