Home / 9,427.85-14,027.21-9,395.56

Finding the Fourth Proportional to 9,427.85, 14,027.21 and 9,395.56

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Solution

The fourth proportional to 9,427.85, 14,027.21 and 9,395.56 is: 13,979.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.85 : 14,027.21 = 9,395.56 : x
  2. Step 2: Convert to fraction form
    9,427.85/14,027.21 = 9,395.56/x
  3. Step 3: Cross multiply
    9,427.85x = 14,027.21 × 9,395.56
  4. Step 4: Simplify right side
    9,427.85x = 131,793,479.44
  5. Step 5: Solve for x
    x = 131,793,479.44/9,427.85
  6. Step 6: Final answer
    x = 13,979.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.