Home / 14,976.93-20,668.26-8,262.75

Finding the Fourth Proportional to 14,976.93, 20,668.26 and 8,262.75

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Solution

The fourth proportional to 14,976.93, 20,668.26 and 8,262.75 is: 11,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,976.93 : 20,668.26 = 8,262.75 : x
  2. Step 2: Convert to fraction form
    14,976.93/20,668.26 = 8,262.75/x
  3. Step 3: Cross multiply
    14,976.93x = 20,668.26 × 8,262.75
  4. Step 4: Simplify right side
    14,976.93x = 170,776,665.32
  5. Step 5: Solve for x
    x = 170,776,665.32/14,976.93
  6. Step 6: Final answer
    x = 11,402.65

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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.