Home / 18,612.39-25,685.26-10,114.51

Finding the Fourth Proportional to 18,612.39, 25,685.26 and 10,114.51

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Solution

The fourth proportional to 18,612.39, 25,685.26 and 10,114.51 is: 13,958.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612.39 : 25,685.26 = 10,114.51 : x
  2. Step 2: Convert to fraction form
    18,612.39/25,685.26 = 10,114.51/x
  3. Step 3: Cross multiply
    18,612.39x = 25,685.26 × 10,114.51
  4. Step 4: Simplify right side
    18,612.39x = 259,793,793.84
  5. Step 5: Solve for x
    x = 259,793,793.84/18,612.39
  6. Step 6: Final answer
    x = 13,958.11

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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.