Home / 19,240.65-26,558.15-11,286.09

Finding the Fourth Proportional to 19,240.65, 26,558.15 and 11,286.09

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Solution

The fourth proportional to 19,240.65, 26,558.15 and 11,286.09 is: 15,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240.65 : 26,558.15 = 11,286.09 : x
  2. Step 2: Convert to fraction form
    19,240.65/26,558.15 = 11,286.09/x
  3. Step 3: Cross multiply
    19,240.65x = 26,558.15 × 11,286.09
  4. Step 4: Simplify right side
    19,240.65x = 299,737,614.70
  5. Step 5: Solve for x
    x = 299,737,614.70/19,240.65
  6. Step 6: Final answer
    x = 15,578.35

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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.