Home / 16,898.40-25,325.46-8,115.84

Finding the Fourth Proportional to 16,898.40, 25,325.46 and 8,115.84

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Solution

The fourth proportional to 16,898.40, 25,325.46 and 8,115.84 is: 12,163.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,898.40 : 25,325.46 = 8,115.84 : x
  2. Step 2: Convert to fraction form
    16,898.40/25,325.46 = 8,115.84/x
  3. Step 3: Cross multiply
    16,898.40x = 25,325.46 × 8,115.84
  4. Step 4: Simplify right side
    16,898.40x = 205,537,381.29
  5. Step 5: Solve for x
    x = 205,537,381.29/16,898.40
  6. Step 6: Final answer
    x = 12,163.13

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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.