Home / 18,565.80-25,620.10-10,067.77

Finding the Fourth Proportional to 18,565.80, 25,620.10 and 10,067.77

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Solution

The fourth proportional to 18,565.80, 25,620.10 and 10,067.77 is: 13,893.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.80 : 25,620.10 = 10,067.77 : x
  2. Step 2: Convert to fraction form
    18,565.80/25,620.10 = 10,067.77/x
  3. Step 3: Cross multiply
    18,565.80x = 25,620.10 × 10,067.77
  4. Step 4: Simplify right side
    18,565.80x = 257,937,281.03
  5. Step 5: Solve for x
    x = 257,937,281.03/18,565.80
  6. Step 6: Final answer
    x = 13,893.14

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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.