Home / 16,982.44-23,435.80-9,909.32

Finding the Fourth Proportional to 16,982.44, 23,435.80 and 9,909.32

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Solution

The fourth proportional to 16,982.44, 23,435.80 and 9,909.32 is: 13,674.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,982.44 : 23,435.80 = 9,909.32 : x
  2. Step 2: Convert to fraction form
    16,982.44/23,435.80 = 9,909.32/x
  3. Step 3: Cross multiply
    16,982.44x = 23,435.80 × 9,909.32
  4. Step 4: Simplify right side
    16,982.44x = 232,232,699.70
  5. Step 5: Solve for x
    x = 232,232,699.70/16,982.44
  6. Step 6: Final answer
    x = 13,674.87

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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.