Home / 19,364.32-29,040.66-6,882.71

Finding the Fourth Proportional to 19,364.32, 29,040.66 and 6,882.71

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Solution

The fourth proportional to 19,364.32, 29,040.66 and 6,882.71 is: 10,321.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.32 : 29,040.66 = 6,882.71 : x
  2. Step 2: Convert to fraction form
    19,364.32/29,040.66 = 6,882.71/x
  3. Step 3: Cross multiply
    19,364.32x = 29,040.66 × 6,882.71
  4. Step 4: Simplify right side
    19,364.32x = 199,878,295.79
  5. Step 5: Solve for x
    x = 199,878,295.79/19,364.32
  6. Step 6: Final answer
    x = 10,321.99

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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.