Home / 14,976.74-20,668.29-8,262.45

Finding the Fourth Proportional to 14,976.74, 20,668.29 and 8,262.45

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Solution

The fourth proportional to 14,976.74, 20,668.29 and 8,262.45 is: 11,402.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,976.74 : 20,668.29 = 8,262.45 : x
  2. Step 2: Convert to fraction form
    14,976.74/20,668.29 = 8,262.45/x
  3. Step 3: Cross multiply
    14,976.74x = 20,668.29 × 8,262.45
  4. Step 4: Simplify right side
    14,976.74x = 170,770,712.71
  5. Step 5: Solve for x
    x = 170,770,712.71/14,976.74
  6. Step 6: Final answer
    x = 11,402.39

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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.