Home / 16,418.24-22,656.32-9,344.64

Finding the Fourth Proportional to 16,418.24, 22,656.32 and 9,344.64

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Solution

The fourth proportional to 16,418.24, 22,656.32 and 9,344.64 is: 12,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,418.24 : 22,656.32 = 9,344.64 : x
  2. Step 2: Convert to fraction form
    16,418.24/22,656.32 = 9,344.64/x
  3. Step 3: Cross multiply
    16,418.24x = 22,656.32 × 9,344.64
  4. Step 4: Simplify right side
    16,418.24x = 211,715,154.12
  5. Step 5: Solve for x
    x = 211,715,154.12/16,418.24
  6. Step 6: Final answer
    x = 12,895.12

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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.