Home / 15,048.72-20,769.66-9,081.27

Finding the Fourth Proportional to 15,048.72, 20,769.66 and 9,081.27

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Solution

The fourth proportional to 15,048.72, 20,769.66 and 9,081.27 is: 12,533.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048.72 : 20,769.66 = 9,081.27 : x
  2. Step 2: Convert to fraction form
    15,048.72/20,769.66 = 9,081.27/x
  3. Step 3: Cross multiply
    15,048.72x = 20,769.66 × 9,081.27
  4. Step 4: Simplify right side
    15,048.72x = 188,614,890.27
  5. Step 5: Solve for x
    x = 188,614,890.27/15,048.72
  6. Step 6: Final answer
    x = 12,533.62

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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.