Home / 18,832.57-25,989.87-10,875.54

Finding the Fourth Proportional to 18,832.57, 25,989.87 and 10,875.54

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Solution

The fourth proportional to 18,832.57, 25,989.87 and 10,875.54 is: 15,008.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,832.57 : 25,989.87 = 10,875.54 : x
  2. Step 2: Convert to fraction form
    18,832.57/25,989.87 = 10,875.54/x
  3. Step 3: Cross multiply
    18,832.57x = 25,989.87 × 10,875.54
  4. Step 4: Simplify right side
    18,832.57x = 282,653,870.78
  5. Step 5: Solve for x
    x = 282,653,870.78/18,832.57
  6. Step 6: Final answer
    x = 15,008.78

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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.