Home / 16,434.90-22,680.41-9,361.17

Finding the Fourth Proportional to 16,434.90, 22,680.41 and 9,361.17

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Solution

The fourth proportional to 16,434.90, 22,680.41 and 9,361.17 is: 12,918.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,434.90 : 22,680.41 = 9,361.17 : x
  2. Step 2: Convert to fraction form
    16,434.90/22,680.41 = 9,361.17/x
  3. Step 3: Cross multiply
    16,434.90x = 22,680.41 × 9,361.17
  4. Step 4: Simplify right side
    16,434.90x = 212,315,126.87
  5. Step 5: Solve for x
    x = 212,315,126.87/16,434.90
  6. Step 6: Final answer
    x = 12,918.55

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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.