Home / 16,854.80-25,285.18-5,758.90

Finding the Fourth Proportional to 16,854.80, 25,285.18 and 5,758.90

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Solution

The fourth proportional to 16,854.80, 25,285.18 and 5,758.90 is: 8,639.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854.80 : 25,285.18 = 5,758.90 : x
  2. Step 2: Convert to fraction form
    16,854.80/25,285.18 = 5,758.90/x
  3. Step 3: Cross multiply
    16,854.80x = 25,285.18 × 5,758.90
  4. Step 4: Simplify right side
    16,854.80x = 145,614,823.10
  5. Step 5: Solve for x
    x = 145,614,823.10/16,854.80
  6. Step 6: Final answer
    x = 8,639.37

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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.