Home / 18,696.19-25,794.28-11,985.52

Finding the Fourth Proportional to 18,696.19, 25,794.28 and 11,985.52

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Solution

The fourth proportional to 18,696.19, 25,794.28 and 11,985.52 is: 16,535.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696.19 : 25,794.28 = 11,985.52 : x
  2. Step 2: Convert to fraction form
    18,696.19/25,794.28 = 11,985.52/x
  3. Step 3: Cross multiply
    18,696.19x = 25,794.28 × 11,985.52
  4. Step 4: Simplify right side
    18,696.19x = 309,157,858.83
  5. Step 5: Solve for x
    x = 309,157,858.83/18,696.19
  6. Step 6: Final answer
    x = 16,535.87

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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.