Home / 19,185.62-26,472.57-11,228.18

Finding the Fourth Proportional to 19,185.62, 26,472.57 and 11,228.18

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Solution

The fourth proportional to 19,185.62, 26,472.57 and 11,228.18 is: 15,492.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.62 : 26,472.57 = 11,228.18 : x
  2. Step 2: Convert to fraction form
    19,185.62/26,472.57 = 11,228.18/x
  3. Step 3: Cross multiply
    19,185.62x = 26,472.57 × 11,228.18
  4. Step 4: Simplify right side
    19,185.62x = 297,238,781.02
  5. Step 5: Solve for x
    x = 297,238,781.02/19,185.62
  6. Step 6: Final answer
    x = 15,492.79

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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.