Home / 18,018.08-24,875.92-16,902.56

Finding the Fourth Proportional to 18,018.08, 24,875.92 and 16,902.56

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Solution

The fourth proportional to 18,018.08, 24,875.92 and 16,902.56 is: 23,335.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018.08 : 24,875.92 = 16,902.56 : x
  2. Step 2: Convert to fraction form
    18,018.08/24,875.92 = 16,902.56/x
  3. Step 3: Cross multiply
    18,018.08x = 24,875.92 × 16,902.56
  4. Step 4: Simplify right side
    18,018.08x = 420,466,730.36
  5. Step 5: Solve for x
    x = 420,466,730.36/18,018.08
  6. Step 6: Final answer
    x = 23,335.82

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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.