Home / 23,184.15-31,993.74-13,112.21

Finding the Fourth Proportional to 23,184.15, 31,993.74 and 13,112.21

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Solution

The fourth proportional to 23,184.15, 31,993.74 and 13,112.21 is: 18,094.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,184.15 : 31,993.74 = 13,112.21 : x
  2. Step 2: Convert to fraction form
    23,184.15/31,993.74 = 13,112.21/x
  3. Step 3: Cross multiply
    23,184.15x = 31,993.74 × 13,112.21
  4. Step 4: Simplify right side
    23,184.15x = 419,508,637.57
  5. Step 5: Solve for x
    x = 419,508,637.57/23,184.15
  6. Step 6: Final answer
    x = 18,094.63

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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.