Home / 13,844.98-19,112.93-8,542.72

Finding the Fourth Proportional to 13,844.98, 19,112.93 and 8,542.72

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Solution

The fourth proportional to 13,844.98, 19,112.93 and 8,542.72 is: 11,793.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.98 : 19,112.93 = 8,542.72 : x
  2. Step 2: Convert to fraction form
    13,844.98/19,112.93 = 8,542.72/x
  3. Step 3: Cross multiply
    13,844.98x = 19,112.93 × 8,542.72
  4. Step 4: Simplify right side
    13,844.98x = 163,276,409.37
  5. Step 5: Solve for x
    x = 163,276,409.37/13,844.98
  6. Step 6: Final answer
    x = 11,793.18

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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.