Home / 17,815.75-24,586.11-9,858.51

Finding the Fourth Proportional to 17,815.75, 24,586.11 and 9,858.51

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Solution

The fourth proportional to 17,815.75, 24,586.11 and 9,858.51 is: 13,604.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815.75 : 24,586.11 = 9,858.51 : x
  2. Step 2: Convert to fraction form
    17,815.75/24,586.11 = 9,858.51/x
  3. Step 3: Cross multiply
    17,815.75x = 24,586.11 × 9,858.51
  4. Step 4: Simplify right side
    17,815.75x = 242,382,411.30
  5. Step 5: Solve for x
    x = 242,382,411.30/17,815.75
  6. Step 6: Final answer
    x = 13,604.95

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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.