Home / 16,632.84-22,951.15-9,919.26

Finding the Fourth Proportional to 16,632.84, 22,951.15 and 9,919.26

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Solution

The fourth proportional to 16,632.84, 22,951.15 and 9,919.26 is: 13,687.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,632.84 : 22,951.15 = 9,919.26 : x
  2. Step 2: Convert to fraction form
    16,632.84/22,951.15 = 9,919.26/x
  3. Step 3: Cross multiply
    16,632.84x = 22,951.15 × 9,919.26
  4. Step 4: Simplify right side
    16,632.84x = 227,658,399.35
  5. Step 5: Solve for x
    x = 227,658,399.35/16,632.84
  6. Step 6: Final answer
    x = 13,687.28

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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.