Home / 12,566.50-18,849.75-3,332.50

Finding the Fourth Proportional to 12,566.50, 18,849.75 and 3,332.50

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Solution

The fourth proportional to 12,566.50, 18,849.75 and 3,332.50 is: 4,998.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,566.50 : 18,849.75 = 3,332.50 : x
  2. Step 2: Convert to fraction form
    12,566.50/18,849.75 = 3,332.50/x
  3. Step 3: Cross multiply
    12,566.50x = 18,849.75 × 3,332.50
  4. Step 4: Simplify right side
    12,566.50x = 62,816,791.88
  5. Step 5: Solve for x
    x = 62,816,791.88/12,566.50
  6. Step 6: Final answer
    x = 4,998.75

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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.