Home / 14,769.72-22,139.38-6,448.18

Finding the Fourth Proportional to 14,769.72, 22,139.38 and 6,448.18

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Solution

The fourth proportional to 14,769.72, 22,139.38 and 6,448.18 is: 9,665.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.72 : 22,139.38 = 6,448.18 : x
  2. Step 2: Convert to fraction form
    14,769.72/22,139.38 = 6,448.18/x
  3. Step 3: Cross multiply
    14,769.72x = 22,139.38 × 6,448.18
  4. Step 4: Simplify right side
    14,769.72x = 142,758,707.33
  5. Step 5: Solve for x
    x = 142,758,707.33/14,769.72
  6. Step 6: Final answer
    x = 9,665.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.