Home / 14,716.77-20,309.53-8,002.80

Finding the Fourth Proportional to 14,716.77, 20,309.53 and 8,002.80

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Solution

The fourth proportional to 14,716.77, 20,309.53 and 8,002.80 is: 11,044.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,716.77 : 20,309.53 = 8,002.80 : x
  2. Step 2: Convert to fraction form
    14,716.77/20,309.53 = 8,002.80/x
  3. Step 3: Cross multiply
    14,716.77x = 20,309.53 × 8,002.80
  4. Step 4: Simplify right side
    14,716.77x = 162,533,005.14
  5. Step 5: Solve for x
    x = 162,533,005.14/14,716.77
  6. Step 6: Final answer
    x = 11,044.07

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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.