Home / 17,981.14-24,815.82-10,813.36

Finding the Fourth Proportional to 17,981.14, 24,815.82 and 10,813.36

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Solution

The fourth proportional to 17,981.14, 24,815.82 and 10,813.36 is: 14,923.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981.14 : 24,815.82 = 10,813.36 : x
  2. Step 2: Convert to fraction form
    17,981.14/24,815.82 = 10,813.36/x
  3. Step 3: Cross multiply
    17,981.14x = 24,815.82 × 10,813.36
  4. Step 4: Simplify right side
    17,981.14x = 268,342,395.36
  5. Step 5: Solve for x
    x = 268,342,395.36/17,981.14
  6. Step 6: Final answer
    x = 14,923.55

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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.