Home / 15,811.69-23,717.43-6,451.66

Finding the Fourth Proportional to 15,811.69, 23,717.43 and 6,451.66

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Solution

The fourth proportional to 15,811.69, 23,717.43 and 6,451.66 is: 9,677.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,811.69 : 23,717.43 = 6,451.66 : x
  2. Step 2: Convert to fraction form
    15,811.69/23,717.43 = 6,451.66/x
  3. Step 3: Cross multiply
    15,811.69x = 23,717.43 × 6,451.66
  4. Step 4: Simplify right side
    15,811.69x = 153,016,794.43
  5. Step 5: Solve for x
    x = 153,016,794.43/15,811.69
  6. Step 6: Final answer
    x = 9,677.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.