Home / 14,054.94-21,076.22-7,479.57

Finding the Fourth Proportional to 14,054.94, 21,076.22 and 7,479.57

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Solution

The fourth proportional to 14,054.94, 21,076.22 and 7,479.57 is: 11,216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.94 : 21,076.22 = 7,479.57 : x
  2. Step 2: Convert to fraction form
    14,054.94/21,076.22 = 7,479.57/x
  3. Step 3: Cross multiply
    14,054.94x = 21,076.22 × 7,479.57
  4. Step 4: Simplify right side
    14,054.94x = 157,641,062.83
  5. Step 5: Solve for x
    x = 157,641,062.83/14,054.94
  6. Step 6: Final answer
    x = 11,216.06

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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.