Home / 14,651.26-21,972.31-5,290.08

Finding the Fourth Proportional to 14,651.26, 21,972.31 and 5,290.08

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Solution

The fourth proportional to 14,651.26, 21,972.31 and 5,290.08 is: 7,933.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.26 : 21,972.31 = 5,290.08 : x
  2. Step 2: Convert to fraction form
    14,651.26/21,972.31 = 5,290.08/x
  3. Step 3: Cross multiply
    14,651.26x = 21,972.31 × 5,290.08
  4. Step 4: Simplify right side
    14,651.26x = 116,235,277.68
  5. Step 5: Solve for x
    x = 116,235,277.68/14,651.26
  6. Step 6: Final answer
    x = 7,933.47

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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.