Home / 14,690.88-20,273.63-7,976.52

Finding the Fourth Proportional to 14,690.88, 20,273.63 and 7,976.52

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Solution

The fourth proportional to 14,690.88, 20,273.63 and 7,976.52 is: 11,007.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.88 : 20,273.63 = 7,976.52 : x
  2. Step 2: Convert to fraction form
    14,690.88/20,273.63 = 7,976.52/x
  3. Step 3: Cross multiply
    14,690.88x = 20,273.63 × 7,976.52
  4. Step 4: Simplify right side
    14,690.88x = 161,712,975.29
  5. Step 5: Solve for x
    x = 161,712,975.29/14,690.88
  6. Step 6: Final answer
    x = 11,007.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.