Home / 25,891.41-35,736.05-18,329.88

Finding the Fourth Proportional to 25,891.41, 35,736.05 and 18,329.88

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Solution

The fourth proportional to 25,891.41, 35,736.05 and 18,329.88 is: 25,299.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,891.41 : 35,736.05 = 18,329.88 : x
  2. Step 2: Convert to fraction form
    25,891.41/35,736.05 = 18,329.88/x
  3. Step 3: Cross multiply
    25,891.41x = 35,736.05 × 18,329.88
  4. Step 4: Simplify right side
    25,891.41x = 655,037,416.52
  5. Step 5: Solve for x
    x = 655,037,416.52/25,891.41
  6. Step 6: Final answer
    x = 25,299.41

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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.