Home / 18,832.90-25,989.70-10,875.82

Finding the Fourth Proportional to 18,832.90, 25,989.70 and 10,875.82

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Solution

The fourth proportional to 18,832.90, 25,989.70 and 10,875.82 is: 15,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,832.90 : 25,989.70 = 10,875.82 : x
  2. Step 2: Convert to fraction form
    18,832.90/25,989.70 = 10,875.82/x
  3. Step 3: Cross multiply
    18,832.90x = 25,989.70 × 10,875.82
  4. Step 4: Simplify right side
    18,832.90x = 282,659,299.05
  5. Step 5: Solve for x
    x = 282,659,299.05/18,832.90
  6. Step 6: Final answer
    x = 15,008.80

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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.