Home / 14,769.22-20,391.80-11,949.10

Finding the Fourth Proportional to 14,769.22, 20,391.80 and 11,949.10

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Solution

The fourth proportional to 14,769.22, 20,391.80 and 11,949.10 is: 16,498.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.22 : 20,391.80 = 11,949.10 : x
  2. Step 2: Convert to fraction form
    14,769.22/20,391.80 = 11,949.10/x
  3. Step 3: Cross multiply
    14,769.22x = 20,391.80 × 11,949.10
  4. Step 4: Simplify right side
    14,769.22x = 243,663,623.12
  5. Step 5: Solve for x
    x = 243,663,623.12/14,769.22
  6. Step 6: Final answer
    x = 16,498.07

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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.