Home / 19,617.13-29,429.34-6,470.43

Finding the Fourth Proportional to 19,617.13, 29,429.34 and 6,470.43

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Solution

The fourth proportional to 19,617.13, 29,429.34 and 6,470.43 is: 9,706.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.13 : 29,429.34 = 6,470.43 : x
  2. Step 2: Convert to fraction form
    19,617.13/29,429.34 = 6,470.43/x
  3. Step 3: Cross multiply
    19,617.13x = 29,429.34 × 6,470.43
  4. Step 4: Simplify right side
    19,617.13x = 190,420,484.42
  5. Step 5: Solve for x
    x = 190,420,484.42/19,617.13
  6. Step 6: Final answer
    x = 9,706.85

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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.