Home / 16,486.75-22,782.77-12,500.47

Finding the Fourth Proportional to 16,486.75, 22,782.77 and 12,500.47

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Solution

The fourth proportional to 16,486.75, 22,782.77 and 12,500.47 is: 17,274.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,486.75 : 22,782.77 = 12,500.47 : x
  2. Step 2: Convert to fraction form
    16,486.75/22,782.77 = 12,500.47/x
  3. Step 3: Cross multiply
    16,486.75x = 22,782.77 × 12,500.47
  4. Step 4: Simplify right side
    16,486.75x = 284,795,332.90
  5. Step 5: Solve for x
    x = 284,795,332.90/16,486.75
  6. Step 6: Final answer
    x = 17,274.19

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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.