Home / 19,087.85-28,633.73-6,607.85

Finding the Fourth Proportional to 19,087.85, 28,633.73 and 6,607.85

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Solution

The fourth proportional to 19,087.85, 28,633.73 and 6,607.85 is: 9,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,087.85 : 28,633.73 = 6,607.85 : x
  2. Step 2: Convert to fraction form
    19,087.85/28,633.73 = 6,607.85/x
  3. Step 3: Cross multiply
    19,087.85x = 28,633.73 × 6,607.85
  4. Step 4: Simplify right side
    19,087.85x = 189,207,359.74
  5. Step 5: Solve for x
    x = 189,207,359.74/19,087.85
  6. Step 6: Final answer
    x = 9,912.45

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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.