Home / 16,663.32-22,963.71-11,939.40

Finding the Fourth Proportional to 16,663.32, 22,963.71 and 11,939.40

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Solution

The fourth proportional to 16,663.32, 22,963.71 and 11,939.40 is: 16,453.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,663.32 : 22,963.71 = 11,939.40 : x
  2. Step 2: Convert to fraction form
    16,663.32/22,963.71 = 11,939.40/x
  3. Step 3: Cross multiply
    16,663.32x = 22,963.71 × 11,939.40
  4. Step 4: Simplify right side
    16,663.32x = 274,172,919.17
  5. Step 5: Solve for x
    x = 274,172,919.17/16,663.32
  6. Step 6: Final answer
    x = 16,453.68

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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.