Home / 19,976.07-29,954.56-9,437.30

Finding the Fourth Proportional to 19,976.07, 29,954.56 and 9,437.30

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Solution

The fourth proportional to 19,976.07, 29,954.56 and 9,437.30 is: 14,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976.07 : 29,954.56 = 9,437.30 : x
  2. Step 2: Convert to fraction form
    19,976.07/29,954.56 = 9,437.30/x
  3. Step 3: Cross multiply
    19,976.07x = 29,954.56 × 9,437.30
  4. Step 4: Simplify right side
    19,976.07x = 282,690,169.09
  5. Step 5: Solve for x
    x = 282,690,169.09/19,976.07
  6. Step 6: Final answer
    x = 14,151.44

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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.