Home / 18,164.54-25,064.35-10,205.23

Finding the Fourth Proportional to 18,164.54, 25,064.35 and 10,205.23

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Solution

The fourth proportional to 18,164.54, 25,064.35 and 10,205.23 is: 14,081.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164.54 : 25,064.35 = 10,205.23 : x
  2. Step 2: Convert to fraction form
    18,164.54/25,064.35 = 10,205.23/x
  3. Step 3: Cross multiply
    18,164.54x = 25,064.35 × 10,205.23
  4. Step 4: Simplify right side
    18,164.54x = 255,787,456.55
  5. Step 5: Solve for x
    x = 255,787,456.55/18,164.54
  6. Step 6: Final answer
    x = 14,081.69

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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.