Home / 18,754.32-25,886.08-11,676.56

Finding the Fourth Proportional to 18,754.32, 25,886.08 and 11,676.56

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Solution

The fourth proportional to 18,754.32, 25,886.08 and 11,676.56 is: 16,116.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,754.32 : 25,886.08 = 11,676.56 : x
  2. Step 2: Convert to fraction form
    18,754.32/25,886.08 = 11,676.56/x
  3. Step 3: Cross multiply
    18,754.32x = 25,886.08 × 11,676.56
  4. Step 4: Simplify right side
    18,754.32x = 302,260,366.28
  5. Step 5: Solve for x
    x = 302,260,366.28/18,754.32
  6. Step 6: Final answer
    x = 16,116.84

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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.