Home / 14,010.72-21,022.80-9,384.48

Finding the Fourth Proportional to 14,010.72, 21,022.80 and 9,384.48

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Solution

The fourth proportional to 14,010.72, 21,022.80 and 9,384.48 is: 14,081.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.72 : 21,022.80 = 9,384.48 : x
  2. Step 2: Convert to fraction form
    14,010.72/21,022.80 = 9,384.48/x
  3. Step 3: Cross multiply
    14,010.72x = 21,022.80 × 9,384.48
  4. Step 4: Simplify right side
    14,010.72x = 197,288,046.14
  5. Step 5: Solve for x
    x = 197,288,046.14/14,010.72
  6. Step 6: Final answer
    x = 14,081.22

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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.