Home / 17,878.29-24,584.55-15,516.33

Finding the Fourth Proportional to 17,878.29, 24,584.55 and 15,516.33

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Solution

The fourth proportional to 17,878.29, 24,584.55 and 15,516.33 is: 21,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,878.29 : 24,584.55 = 15,516.33 : x
  2. Step 2: Convert to fraction form
    17,878.29/24,584.55 = 15,516.33/x
  3. Step 3: Cross multiply
    17,878.29x = 24,584.55 × 15,516.33
  4. Step 4: Simplify right side
    17,878.29x = 381,461,990.70
  5. Step 5: Solve for x
    x = 381,461,990.70/17,878.29
  6. Step 6: Final answer
    x = 21,336.60

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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.