Home / 16,403.10-22,634.55-9,328.38

Finding the Fourth Proportional to 16,403.10, 22,634.55 and 9,328.38

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Solution

The fourth proportional to 16,403.10, 22,634.55 and 9,328.38 is: 12,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,403.10 : 22,634.55 = 9,328.38 : x
  2. Step 2: Convert to fraction form
    16,403.10/22,634.55 = 9,328.38/x
  3. Step 3: Cross multiply
    16,403.10x = 22,634.55 × 9,328.38
  4. Step 4: Simplify right side
    16,403.10x = 211,143,683.53
  5. Step 5: Solve for x
    x = 211,143,683.53/16,403.10
  6. Step 6: Final answer
    x = 12,872.18

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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.