Home / 13,240.67-19,851.55-6,216.75

Finding the Fourth Proportional to 13,240.67, 19,851.55 and 6,216.75

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Solution

The fourth proportional to 13,240.67, 19,851.55 and 6,216.75 is: 9,320.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.67 : 19,851.55 = 6,216.75 : x
  2. Step 2: Convert to fraction form
    13,240.67/19,851.55 = 6,216.75/x
  3. Step 3: Cross multiply
    13,240.67x = 19,851.55 × 6,216.75
  4. Step 4: Simplify right side
    13,240.67x = 123,412,107.92
  5. Step 5: Solve for x
    x = 123,412,107.92/13,240.67
  6. Step 6: Final answer
    x = 9,320.69

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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.