Home / 16,982.19-23,435.45-9,909.07

Finding the Fourth Proportional to 16,982.19, 23,435.45 and 9,909.07

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Solution

The fourth proportional to 16,982.19, 23,435.45 and 9,909.07 is: 13,674.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,982.19 : 23,435.45 = 9,909.07 : x
  2. Step 2: Convert to fraction form
    16,982.19/23,435.45 = 9,909.07/x
  3. Step 3: Cross multiply
    16,982.19x = 23,435.45 × 9,909.07
  4. Step 4: Simplify right side
    16,982.19x = 232,223,514.53
  5. Step 5: Solve for x
    x = 232,223,514.53/16,982.19
  6. Step 6: Final answer
    x = 13,674.53

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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.