Home / 13,216.59-19,825.47-5,424.75

Finding the Fourth Proportional to 13,216.59, 19,825.47 and 5,424.75

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Solution

The fourth proportional to 13,216.59, 19,825.47 and 5,424.75 is: 8,137.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.59 : 19,825.47 = 5,424.75 : x
  2. Step 2: Convert to fraction form
    13,216.59/19,825.47 = 5,424.75/x
  3. Step 3: Cross multiply
    13,216.59x = 19,825.47 × 5,424.75
  4. Step 4: Simplify right side
    13,216.59x = 107,548,218.38
  5. Step 5: Solve for x
    x = 107,548,218.38/13,216.59
  6. Step 6: Final answer
    x = 8,137.37

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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.