Home / 13,392.08-18,560.54-13,192.40

Finding the Fourth Proportional to 13,392.08, 18,560.54 and 13,192.40

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Solution

The fourth proportional to 13,392.08, 18,560.54 and 13,192.40 is: 18,283.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392.08 : 18,560.54 = 13,192.40 : x
  2. Step 2: Convert to fraction form
    13,392.08/18,560.54 = 13,192.40/x
  3. Step 3: Cross multiply
    13,392.08x = 18,560.54 × 13,192.40
  4. Step 4: Simplify right side
    13,392.08x = 244,858,067.90
  5. Step 5: Solve for x
    x = 244,858,067.90/13,392.08
  6. Step 6: Final answer
    x = 18,283.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.