Home / 16,868.88-25,285.32-8,555.04

Finding the Fourth Proportional to 16,868.88, 25,285.32 and 8,555.04

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Solution

The fourth proportional to 16,868.88, 25,285.32 and 8,555.04 is: 12,823.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.88 : 25,285.32 = 8,555.04 : x
  2. Step 2: Convert to fraction form
    16,868.88/25,285.32 = 8,555.04/x
  3. Step 3: Cross multiply
    16,868.88x = 25,285.32 × 8,555.04
  4. Step 4: Simplify right side
    16,868.88x = 216,316,924.01
  5. Step 5: Solve for x
    x = 216,316,924.01/16,868.88
  6. Step 6: Final answer
    x = 12,823.43

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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.