Home / 16,697.64-23,023.18-13,329.66

Finding the Fourth Proportional to 16,697.64, 23,023.18 and 13,329.66

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Solution

The fourth proportional to 16,697.64, 23,023.18 and 13,329.66 is: 18,379.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,697.64 : 23,023.18 = 13,329.66 : x
  2. Step 2: Convert to fraction form
    16,697.64/23,023.18 = 13,329.66/x
  3. Step 3: Cross multiply
    16,697.64x = 23,023.18 × 13,329.66
  4. Step 4: Simplify right side
    16,697.64x = 306,891,161.52
  5. Step 5: Solve for x
    x = 306,891,161.52/16,697.64
  6. Step 6: Final answer
    x = 18,379.31

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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.