Home / 19,966.75-29,950.17-6,115.75

Finding the Fourth Proportional to 19,966.75, 29,950.17 and 6,115.75

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Solution

The fourth proportional to 19,966.75, 29,950.17 and 6,115.75 is: 9,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.75 : 29,950.17 = 6,115.75 : x
  2. Step 2: Convert to fraction form
    19,966.75/29,950.17 = 6,115.75/x
  3. Step 3: Cross multiply
    19,966.75x = 29,950.17 × 6,115.75
  4. Step 4: Simplify right side
    19,966.75x = 183,167,752.18
  5. Step 5: Solve for x
    x = 183,167,752.18/19,966.75
  6. Step 6: Final answer
    x = 9,173.64

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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.