Home / 18,727.68-25,875.84-14,496

Finding the Fourth Proportional to 18,727.68, 25,875.84 and 14,496

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Solution

The fourth proportional to 18,727.68, 25,875.84 and 14,496 is: 20,028.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727.68 : 25,875.84 = 14,496 : x
  2. Step 2: Convert to fraction form
    18,727.68/25,875.84 = 14,496/x
  3. Step 3: Cross multiply
    18,727.68x = 25,875.84 × 14,496
  4. Step 4: Simplify right side
    18,727.68x = 375,096,176.64
  5. Step 5: Solve for x
    x = 375,096,176.64/18,727.68
  6. Step 6: Final answer
    x = 20,028.97

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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.