Home / 18,232.68-25,162.89-10,678.56

Finding the Fourth Proportional to 18,232.68, 25,162.89 and 10,678.56

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Solution

The fourth proportional to 18,232.68, 25,162.89 and 10,678.56 is: 14,737.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,232.68 : 25,162.89 = 10,678.56 : x
  2. Step 2: Convert to fraction form
    18,232.68/25,162.89 = 10,678.56/x
  3. Step 3: Cross multiply
    18,232.68x = 25,162.89 × 10,678.56
  4. Step 4: Simplify right side
    18,232.68x = 268,703,430.64
  5. Step 5: Solve for x
    x = 268,703,430.64/18,232.68
  6. Step 6: Final answer
    x = 14,737.46

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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.