Home / 18,613.44-25,685.84-10,656.41

Finding the Fourth Proportional to 18,613.44, 25,685.84 and 10,656.41

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Solution

The fourth proportional to 18,613.44, 25,685.84 and 10,656.41 is: 14,705.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,613.44 : 25,685.84 = 10,656.41 : x
  2. Step 2: Convert to fraction form
    18,613.44/25,685.84 = 10,656.41/x
  3. Step 3: Cross multiply
    18,613.44x = 25,685.84 × 10,656.41
  4. Step 4: Simplify right side
    18,613.44x = 273,718,740.45
  5. Step 5: Solve for x
    x = 273,718,740.45/18,613.44
  6. Step 6: Final answer
    x = 14,705.44

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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.