Home / 19,589.36-29,387.69-6,450.95

Finding the Fourth Proportional to 19,589.36, 29,387.69 and 6,450.95

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Solution

The fourth proportional to 19,589.36, 29,387.69 and 6,450.95 is: 9,677.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,589.36 : 29,387.69 = 6,450.95 : x
  2. Step 2: Convert to fraction form
    19,589.36/29,387.69 = 6,450.95/x
  3. Step 3: Cross multiply
    19,589.36x = 29,387.69 × 6,450.95
  4. Step 4: Simplify right side
    19,589.36x = 189,578,339.61
  5. Step 5: Solve for x
    x = 189,578,339.61/19,589.36
  6. Step 6: Final answer
    x = 9,677.62

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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.