Home / 19,415.91-29,116.47-6,933.61

Finding the Fourth Proportional to 19,415.91, 29,116.47 and 6,933.61

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Solution

The fourth proportional to 19,415.91, 29,116.47 and 6,933.61 is: 10,397.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.91 : 29,116.47 = 6,933.61 : x
  2. Step 2: Convert to fraction form
    19,415.91/29,116.47 = 6,933.61/x
  3. Step 3: Cross multiply
    19,415.91x = 29,116.47 × 6,933.61
  4. Step 4: Simplify right side
    19,415.91x = 201,882,247.56
  5. Step 5: Solve for x
    x = 201,882,247.56/19,415.91
  6. Step 6: Final answer
    x = 10,397.77

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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.