Home / 16,490.07-22,749.99-12,193.47

Finding the Fourth Proportional to 16,490.07, 22,749.99 and 12,193.47

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Solution

The fourth proportional to 16,490.07, 22,749.99 and 12,193.47 is: 16,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,490.07 : 22,749.99 = 12,193.47 : x
  2. Step 2: Convert to fraction form
    16,490.07/22,749.99 = 12,193.47/x
  3. Step 3: Cross multiply
    16,490.07x = 22,749.99 × 12,193.47
  4. Step 4: Simplify right side
    16,490.07x = 277,401,320.57
  5. Step 5: Solve for x
    x = 277,401,320.57/16,490.07
  6. Step 6: Final answer
    x = 16,822.33

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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.