Home / 22,727.50-31,363.96-13,297.90

Finding the Fourth Proportional to 22,727.50, 31,363.96 and 13,297.90

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Solution

The fourth proportional to 22,727.50, 31,363.96 and 13,297.90 is: 18,351.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,727.50 : 31,363.96 = 13,297.90 : x
  2. Step 2: Convert to fraction form
    22,727.50/31,363.96 = 13,297.90/x
  3. Step 3: Cross multiply
    22,727.50x = 31,363.96 × 13,297.90
  4. Step 4: Simplify right side
    22,727.50x = 417,074,803.68
  5. Step 5: Solve for x
    x = 417,074,803.68/22,727.50
  6. Step 6: Final answer
    x = 18,351.11

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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.