Home / 14,040.41-21,054.78-5,714.75

Finding the Fourth Proportional to 14,040.41, 21,054.78 and 5,714.75

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Solution

The fourth proportional to 14,040.41, 21,054.78 and 5,714.75 is: 8,569.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.41 : 21,054.78 = 5,714.75 : x
  2. Step 2: Convert to fraction form
    14,040.41/21,054.78 = 5,714.75/x
  3. Step 3: Cross multiply
    14,040.41x = 21,054.78 × 5,714.75
  4. Step 4: Simplify right side
    14,040.41x = 120,322,856.64
  5. Step 5: Solve for x
    x = 120,322,856.64/14,040.41
  6. Step 6: Final answer
    x = 8,569.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.