Home / 25,811.76-35,618.13-14,479.73

Finding the Fourth Proportional to 25,811.76, 35,618.13 and 14,479.73

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Solution

The fourth proportional to 25,811.76, 35,618.13 and 14,479.73 is: 19,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,811.76 : 35,618.13 = 14,479.73 : x
  2. Step 2: Convert to fraction form
    25,811.76/35,618.13 = 14,479.73/x
  3. Step 3: Cross multiply
    25,811.76x = 35,618.13 × 14,479.73
  4. Step 4: Simplify right side
    25,811.76x = 515,740,860.98
  5. Step 5: Solve for x
    x = 515,740,860.98/25,811.76
  6. Step 6: Final answer
    x = 19,980.85

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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.