Home / 13,967.08-20,950.74-3,578.92

Finding the Fourth Proportional to 13,967.08, 20,950.74 and 3,578.92

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Solution

The fourth proportional to 13,967.08, 20,950.74 and 3,578.92 is: 5,368.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967.08 : 20,950.74 = 3,578.92 : x
  2. Step 2: Convert to fraction form
    13,967.08/20,950.74 = 3,578.92/x
  3. Step 3: Cross multiply
    13,967.08x = 20,950.74 × 3,578.92
  4. Step 4: Simplify right side
    13,967.08x = 74,981,022.40
  5. Step 5: Solve for x
    x = 74,981,022.40/13,967.08
  6. Step 6: Final answer
    x = 5,368.41

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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.