Home / 18,515.58-25,551.99-11,441.34

Finding the Fourth Proportional to 18,515.58, 25,551.99 and 11,441.34

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Solution

The fourth proportional to 18,515.58, 25,551.99 and 11,441.34 is: 15,789.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515.58 : 25,551.99 = 11,441.34 : x
  2. Step 2: Convert to fraction form
    18,515.58/25,551.99 = 11,441.34/x
  3. Step 3: Cross multiply
    18,515.58x = 25,551.99 × 11,441.34
  4. Step 4: Simplify right side
    18,515.58x = 292,349,005.27
  5. Step 5: Solve for x
    x = 292,349,005.27/18,515.58
  6. Step 6: Final answer
    x = 15,789.35

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Double scale
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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.