Home / 16,524.79-22,813.10-12,739.66

Finding the Fourth Proportional to 16,524.79, 22,813.10 and 12,739.66

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Solution

The fourth proportional to 16,524.79, 22,813.10 and 12,739.66 is: 17,587.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,524.79 : 22,813.10 = 12,739.66 : x
  2. Step 2: Convert to fraction form
    16,524.79/22,813.10 = 12,739.66/x
  3. Step 3: Cross multiply
    16,524.79x = 22,813.10 × 12,739.66
  4. Step 4: Simplify right side
    16,524.79x = 290,631,137.55
  5. Step 5: Solve for x
    x = 290,631,137.55/16,524.79
  6. Step 6: Final answer
    x = 17,587.58

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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.