Home / 18,698.28-25,794.72-11,140.26

Finding the Fourth Proportional to 18,698.28, 25,794.72 and 11,140.26

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Solution

The fourth proportional to 18,698.28, 25,794.72 and 11,140.26 is: 15,368.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698.28 : 25,794.72 = 11,140.26 : x
  2. Step 2: Convert to fraction form
    18,698.28/25,794.72 = 11,140.26/x
  3. Step 3: Cross multiply
    18,698.28x = 25,794.72 × 11,140.26
  4. Step 4: Simplify right side
    18,698.28x = 287,359,887.43
  5. Step 5: Solve for x
    x = 287,359,887.43/18,698.28
  6. Step 6: Final answer
    x = 15,368.25

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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.