Home / 18,727.81-25,844.24-10,229.94

Finding the Fourth Proportional to 18,727.81, 25,844.24 and 10,229.94

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Solution

The fourth proportional to 18,727.81, 25,844.24 and 10,229.94 is: 14,117.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727.81 : 25,844.24 = 10,229.94 : x
  2. Step 2: Convert to fraction form
    18,727.81/25,844.24 = 10,229.94/x
  3. Step 3: Cross multiply
    18,727.81x = 25,844.24 × 10,229.94
  4. Step 4: Simplify right side
    18,727.81x = 264,385,050.12
  5. Step 5: Solve for x
    x = 264,385,050.12/18,727.81
  6. Step 6: Final answer
    x = 14,117.25

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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.