Home / 16,400.88-22,631.55-9,230.60

Finding the Fourth Proportional to 16,400.88, 22,631.55 and 9,230.60

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Solution

The fourth proportional to 16,400.88, 22,631.55 and 9,230.60 is: 12,737.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,400.88 : 22,631.55 = 9,230.60 : x
  2. Step 2: Convert to fraction form
    16,400.88/22,631.55 = 9,230.60/x
  3. Step 3: Cross multiply
    16,400.88x = 22,631.55 × 9,230.60
  4. Step 4: Simplify right side
    16,400.88x = 208,902,807.39
  5. Step 5: Solve for x
    x = 208,902,807.39/16,400.88
  6. Step 6: Final answer
    x = 12,737.29

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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.