Home / 13,253.25-19,879.45-6,231.57

Finding the Fourth Proportional to 13,253.25, 19,879.45 and 6,231.57

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Solution

The fourth proportional to 13,253.25, 19,879.45 and 6,231.57 is: 9,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.25 : 19,879.45 = 6,231.57 : x
  2. Step 2: Convert to fraction form
    13,253.25/19,879.45 = 6,231.57/x
  3. Step 3: Cross multiply
    13,253.25x = 19,879.45 × 6,231.57
  4. Step 4: Simplify right side
    13,253.25x = 123,880,184.24
  5. Step 5: Solve for x
    x = 123,880,184.24/13,253.25
  6. Step 6: Final answer
    x = 9,347.16

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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.