Home / 13,843.04-19,112.56-8,545.64

Finding the Fourth Proportional to 13,843.04, 19,112.56 and 8,545.64

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Solution

The fourth proportional to 13,843.04, 19,112.56 and 8,545.64 is: 11,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,843.04 : 19,112.56 = 8,545.64 : x
  2. Step 2: Convert to fraction form
    13,843.04/19,112.56 = 8,545.64/x
  3. Step 3: Cross multiply
    13,843.04x = 19,112.56 × 8,545.64
  4. Step 4: Simplify right side
    13,843.04x = 163,328,940.31
  5. Step 5: Solve for x
    x = 163,328,940.31/13,843.04
  6. Step 6: Final answer
    x = 11,798.64

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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.