Home / 19,184.70-26,469.69-11,228.88

Finding the Fourth Proportional to 19,184.70, 26,469.69 and 11,228.88

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Solution

The fourth proportional to 19,184.70, 26,469.69 and 11,228.88 is: 15,492.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184.70 : 26,469.69 = 11,228.88 : x
  2. Step 2: Convert to fraction form
    19,184.70/26,469.69 = 11,228.88/x
  3. Step 3: Cross multiply
    19,184.70x = 26,469.69 × 11,228.88
  4. Step 4: Simplify right side
    19,184.70x = 297,224,972.65
  5. Step 5: Solve for x
    x = 297,224,972.65/19,184.70
  6. Step 6: Final answer
    x = 15,492.81

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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.