Home / 22,816.33-31,487.76-12,744.99

Finding the Fourth Proportional to 22,816.33, 31,487.76 and 12,744.99

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Solution

The fourth proportional to 22,816.33, 31,487.76 and 12,744.99 is: 17,588.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,816.33 : 31,487.76 = 12,744.99 : x
  2. Step 2: Convert to fraction form
    22,816.33/31,487.76 = 12,744.99/x
  3. Step 3: Cross multiply
    22,816.33x = 31,487.76 × 12,744.99
  4. Step 4: Simplify right side
    22,816.33x = 401,311,186.32
  5. Step 5: Solve for x
    x = 401,311,186.32/22,816.33
  6. Step 6: Final answer
    x = 17,588.77

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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.