Home / 13,718.16-20,578.46-4,360.23

Finding the Fourth Proportional to 13,718.16, 20,578.46 and 4,360.23

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Solution

The fourth proportional to 13,718.16, 20,578.46 and 4,360.23 is: 6,540.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.16 : 20,578.46 = 4,360.23 : x
  2. Step 2: Convert to fraction form
    13,718.16/20,578.46 = 4,360.23/x
  3. Step 3: Cross multiply
    13,718.16x = 20,578.46 × 4,360.23
  4. Step 4: Simplify right side
    13,718.16x = 89,726,796.84
  5. Step 5: Solve for x
    x = 89,726,796.84/13,718.16
  6. Step 6: Final answer
    x = 6,540.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.