Home / 16,138.40-22,266.17-9,767.35

Finding the Fourth Proportional to 16,138.40, 22,266.17 and 9,767.35

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Solution

The fourth proportional to 16,138.40, 22,266.17 and 9,767.35 is: 13,476.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,138.40 : 22,266.17 = 9,767.35 : x
  2. Step 2: Convert to fraction form
    16,138.40/22,266.17 = 9,767.35/x
  3. Step 3: Cross multiply
    16,138.40x = 22,266.17 × 9,767.35
  4. Step 4: Simplify right side
    16,138.40x = 217,481,364.22
  5. Step 5: Solve for x
    x = 217,481,364.22/16,138.40
  6. Step 6: Final answer
    x = 13,476.02

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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.