Home / 16,145.44-22,276.77-9,427.18

Finding the Fourth Proportional to 16,145.44, 22,276.77 and 9,427.18

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Solution

The fourth proportional to 16,145.44, 22,276.77 and 9,427.18 is: 13,007.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,145.44 : 22,276.77 = 9,427.18 : x
  2. Step 2: Convert to fraction form
    16,145.44/22,276.77 = 9,427.18/x
  3. Step 3: Cross multiply
    16,145.44x = 22,276.77 × 9,427.18
  4. Step 4: Simplify right side
    16,145.44x = 210,007,120.61
  5. Step 5: Solve for x
    x = 210,007,120.61/16,145.44
  6. Step 6: Final answer
    x = 13,007.21

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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.