Home / 16,403.69-22,636.69-9,329.66

Finding the Fourth Proportional to 16,403.69, 22,636.69 and 9,329.66

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Solution

The fourth proportional to 16,403.69, 22,636.69 and 9,329.66 is: 12,874.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,403.69 : 22,636.69 = 9,329.66 : x
  2. Step 2: Convert to fraction form
    16,403.69/22,636.69 = 9,329.66/x
  3. Step 3: Cross multiply
    16,403.69x = 22,636.69 × 9,329.66
  4. Step 4: Simplify right side
    16,403.69x = 211,192,621.23
  5. Step 5: Solve for x
    x = 211,192,621.23/16,403.69
  6. Step 6: Final answer
    x = 12,874.70

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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.