Home / 13,816.98-19,067.18-7,848.59

Finding the Fourth Proportional to 13,816.98, 19,067.18 and 7,848.59

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Solution

The fourth proportional to 13,816.98, 19,067.18 and 7,848.59 is: 10,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.98 : 19,067.18 = 7,848.59 : x
  2. Step 2: Convert to fraction form
    13,816.98/19,067.18 = 7,848.59/x
  3. Step 3: Cross multiply
    13,816.98x = 19,067.18 × 7,848.59
  4. Step 4: Simplify right side
    13,816.98x = 149,650,343.70
  5. Step 5: Solve for x
    x = 149,650,343.70/13,816.98
  6. Step 6: Final answer
    x = 10,830.90

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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.