Home / 18,355.32-27,467.28-15,898.56

Finding the Fourth Proportional to 18,355.32, 27,467.28 and 15,898.56

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Solution

The fourth proportional to 18,355.32, 27,467.28 and 15,898.56 is: 23,790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355.32 : 27,467.28 = 15,898.56 : x
  2. Step 2: Convert to fraction form
    18,355.32/27,467.28 = 15,898.56/x
  3. Step 3: Cross multiply
    18,355.32x = 27,467.28 × 15,898.56
  4. Step 4: Simplify right side
    18,355.32x = 436,690,199.12
  5. Step 5: Solve for x
    x = 436,690,199.12/18,355.32
  6. Step 6: Final answer
    x = 23,790.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.