Home / 13,112.32-19,587.43-11,793.98

Finding the Fourth Proportional to 13,112.32, 19,587.43 and 11,793.98

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Solution

The fourth proportional to 13,112.32, 19,587.43 and 11,793.98 is: 17,618.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112.32 : 19,587.43 = 11,793.98 : x
  2. Step 2: Convert to fraction form
    13,112.32/19,587.43 = 11,793.98/x
  3. Step 3: Cross multiply
    13,112.32x = 19,587.43 × 11,793.98
  4. Step 4: Simplify right side
    13,112.32x = 231,013,757.67
  5. Step 5: Solve for x
    x = 231,013,757.67/13,112.32
  6. Step 6: Final answer
    x = 17,618.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.