Home / 18,788.56-25,927.88-11,336.56

Finding the Fourth Proportional to 18,788.56, 25,927.88 and 11,336.56

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Solution

The fourth proportional to 18,788.56, 25,927.88 and 11,336.56 is: 15,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.56 : 25,927.88 = 11,336.56 : x
  2. Step 2: Convert to fraction form
    18,788.56/25,927.88 = 11,336.56/x
  3. Step 3: Cross multiply
    18,788.56x = 25,927.88 × 11,336.56
  4. Step 4: Simplify right side
    18,788.56x = 293,932,967.29
  5. Step 5: Solve for x
    x = 293,932,967.29/18,788.56
  6. Step 6: Final answer
    x = 15,644.25

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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.