Home / 19,648.62-27,117.90-11,152.85

Finding the Fourth Proportional to 19,648.62, 27,117.90 and 11,152.85

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Solution

The fourth proportional to 19,648.62, 27,117.90 and 11,152.85 is: 15,392.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,648.62 : 27,117.90 = 11,152.85 : x
  2. Step 2: Convert to fraction form
    19,648.62/27,117.90 = 11,152.85/x
  3. Step 3: Cross multiply
    19,648.62x = 27,117.90 × 11,152.85
  4. Step 4: Simplify right side
    19,648.62x = 302,441,679.66
  5. Step 5: Solve for x
    x = 302,441,679.66/19,648.62
  6. Step 6: Final answer
    x = 15,392.52

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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.