Home / 16,751.69-23,117.21-9,198.15

Finding the Fourth Proportional to 16,751.69, 23,117.21 and 9,198.15

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Solution

The fourth proportional to 16,751.69, 23,117.21 and 9,198.15 is: 12,693.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,751.69 : 23,117.21 = 9,198.15 : x
  2. Step 2: Convert to fraction form
    16,751.69/23,117.21 = 9,198.15/x
  3. Step 3: Cross multiply
    16,751.69x = 23,117.21 × 9,198.15
  4. Step 4: Simplify right side
    16,751.69x = 212,635,565.16
  5. Step 5: Solve for x
    x = 212,635,565.16/16,751.69
  6. Step 6: Final answer
    x = 12,693.38

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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.