Home / 16,055.10-22,161.18-9,339.45

Finding the Fourth Proportional to 16,055.10, 22,161.18 and 9,339.45

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Solution

The fourth proportional to 16,055.10, 22,161.18 and 9,339.45 is: 12,891.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,055.10 : 22,161.18 = 9,339.45 : x
  2. Step 2: Convert to fraction form
    16,055.10/22,161.18 = 9,339.45/x
  3. Step 3: Cross multiply
    16,055.10x = 22,161.18 × 9,339.45
  4. Step 4: Simplify right side
    16,055.10x = 206,973,232.55
  5. Step 5: Solve for x
    x = 206,973,232.55/16,055.10
  6. Step 6: Final answer
    x = 12,891.43

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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.