Home / 16,188.14-22,339.71-9,114.68

Finding the Fourth Proportional to 16,188.14, 22,339.71 and 9,114.68

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Solution

The fourth proportional to 16,188.14, 22,339.71 and 9,114.68 is: 12,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,188.14 : 22,339.71 = 9,114.68 : x
  2. Step 2: Convert to fraction form
    16,188.14/22,339.71 = 9,114.68/x
  3. Step 3: Cross multiply
    16,188.14x = 22,339.71 × 9,114.68
  4. Step 4: Simplify right side
    16,188.14x = 203,619,307.94
  5. Step 5: Solve for x
    x = 203,619,307.94/16,188.14
  6. Step 6: Final answer
    x = 12,578.30

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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.