Home / 13,848.42-19,110.56-7,879.95

Finding the Fourth Proportional to 13,848.42, 19,110.56 and 7,879.95

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Solution

The fourth proportional to 13,848.42, 19,110.56 and 7,879.95 is: 10,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.42 : 19,110.56 = 7,879.95 : x
  2. Step 2: Convert to fraction form
    13,848.42/19,110.56 = 7,879.95/x
  3. Step 3: Cross multiply
    13,848.42x = 19,110.56 × 7,879.95
  4. Step 4: Simplify right side
    13,848.42x = 150,590,217.87
  5. Step 5: Solve for x
    x = 150,590,217.87/13,848.42
  6. Step 6: Final answer
    x = 10,874.18

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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.