Home / 20,924.48-31,383.99-9,234.97

Finding the Fourth Proportional to 20,924.48, 31,383.99 and 9,234.97

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Solution

The fourth proportional to 20,924.48, 31,383.99 and 9,234.97 is: 13,851.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,924.48 : 31,383.99 = 9,234.97 : x
  2. Step 2: Convert to fraction form
    20,924.48/31,383.99 = 9,234.97/x
  3. Step 3: Cross multiply
    20,924.48x = 31,383.99 × 9,234.97
  4. Step 4: Simplify right side
    20,924.48x = 289,830,206.13
  5. Step 5: Solve for x
    x = 289,830,206.13/20,924.48
  6. Step 6: Final answer
    x = 13,851.25

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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.