Home / 16,639.57-22,962.60-9,187.57

Finding the Fourth Proportional to 16,639.57, 22,962.60 and 9,187.57

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Solution

The fourth proportional to 16,639.57, 22,962.60 and 9,187.57 is: 12,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,639.57 : 22,962.60 = 9,187.57 : x
  2. Step 2: Convert to fraction form
    16,639.57/22,962.60 = 9,187.57/x
  3. Step 3: Cross multiply
    16,639.57x = 22,962.60 × 9,187.57
  4. Step 4: Simplify right side
    16,639.57x = 210,970,494.88
  5. Step 5: Solve for x
    x = 210,970,494.88/16,639.57
  6. Step 6: Final answer
    x = 12,678.84

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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.