Home / 16,400.30-22,628.51-9,330.62

Finding the Fourth Proportional to 16,400.30, 22,628.51 and 9,330.62

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Solution

The fourth proportional to 16,400.30, 22,628.51 and 9,330.62 is: 12,874.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,400.30 : 22,628.51 = 9,330.62 : x
  2. Step 2: Convert to fraction form
    16,400.30/22,628.51 = 9,330.62/x
  3. Step 3: Cross multiply
    16,400.30x = 22,628.51 × 9,330.62
  4. Step 4: Simplify right side
    16,400.30x = 211,137,868.18
  5. Step 5: Solve for x
    x = 211,137,868.18/16,400.30
  6. Step 6: Final answer
    x = 12,874.03

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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.