Home / 14,719.97-20,313.77-8,005.59

Finding the Fourth Proportional to 14,719.97, 20,313.77 and 8,005.59

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Solution

The fourth proportional to 14,719.97, 20,313.77 and 8,005.59 is: 11,047.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719.97 : 20,313.77 = 8,005.59 : x
  2. Step 2: Convert to fraction form
    14,719.97/20,313.77 = 8,005.59/x
  3. Step 3: Cross multiply
    14,719.97x = 20,313.77 × 8,005.59
  4. Step 4: Simplify right side
    14,719.97x = 162,623,673.95
  5. Step 5: Solve for x
    x = 162,623,673.95/14,719.97
  6. Step 6: Final answer
    x = 11,047.83

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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.