Home / 16,331.70-22,539.42-9,619.44

Finding the Fourth Proportional to 16,331.70, 22,539.42 and 9,619.44

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Solution

The fourth proportional to 16,331.70, 22,539.42 and 9,619.44 is: 13,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,331.70 : 22,539.42 = 9,619.44 : x
  2. Step 2: Convert to fraction form
    16,331.70/22,539.42 = 9,619.44/x
  3. Step 3: Cross multiply
    16,331.70x = 22,539.42 × 9,619.44
  4. Step 4: Simplify right side
    16,331.70x = 216,816,598.32
  5. Step 5: Solve for x
    x = 216,816,598.32/16,331.70
  6. Step 6: Final answer
    x = 13,275.81

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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.