Home / 18,148.88-27,329.90-15,836.46

Finding the Fourth Proportional to 18,148.88, 27,329.90 and 15,836.46

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Solution

The fourth proportional to 18,148.88, 27,329.90 and 15,836.46 is: 23,847.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.88 : 27,329.90 = 15,836.46 : x
  2. Step 2: Convert to fraction form
    18,148.88/27,329.90 = 15,836.46/x
  3. Step 3: Cross multiply
    18,148.88x = 27,329.90 × 15,836.46
  4. Step 4: Simplify right side
    18,148.88x = 432,808,788.97
  5. Step 5: Solve for x
    x = 432,808,788.97/18,148.88
  6. Step 6: Final answer
    x = 23,847.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.