Home / 25,458.24-35,149.86-19,479.48

Finding the Fourth Proportional to 25,458.24, 35,149.86 and 19,479.48

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Solution

The fourth proportional to 25,458.24, 35,149.86 and 19,479.48 is: 26,895.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,458.24 : 35,149.86 = 19,479.48 : x
  2. Step 2: Convert to fraction form
    25,458.24/35,149.86 = 19,479.48/x
  3. Step 3: Cross multiply
    25,458.24x = 35,149.86 × 19,479.48
  4. Step 4: Simplify right side
    25,458.24x = 684,700,994.87
  5. Step 5: Solve for x
    x = 684,700,994.87/25,458.24
  6. Step 6: Final answer
    x = 26,895.06

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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.