Home / 16,203.90-22,361.04-9,130.35

Finding the Fourth Proportional to 16,203.90, 22,361.04 and 9,130.35

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Solution

The fourth proportional to 16,203.90, 22,361.04 and 9,130.35 is: 12,599.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,203.90 : 22,361.04 = 9,130.35 : x
  2. Step 2: Convert to fraction form
    16,203.90/22,361.04 = 9,130.35/x
  3. Step 3: Cross multiply
    16,203.90x = 22,361.04 × 9,130.35
  4. Step 4: Simplify right side
    16,203.90x = 204,164,121.56
  5. Step 5: Solve for x
    x = 204,164,121.56/16,203.90
  6. Step 6: Final answer
    x = 12,599.69

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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.