Home / 23,921.49-33,009.60-13,310.91

Finding the Fourth Proportional to 23,921.49, 33,009.60 and 13,310.91

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Solution

The fourth proportional to 23,921.49, 33,009.60 and 13,310.91 is: 18,367.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,921.49 : 33,009.60 = 13,310.91 : x
  2. Step 2: Convert to fraction form
    23,921.49/33,009.60 = 13,310.91/x
  3. Step 3: Cross multiply
    23,921.49x = 33,009.60 × 13,310.91
  4. Step 4: Simplify right side
    23,921.49x = 439,387,814.74
  5. Step 5: Solve for x
    x = 439,387,814.74/23,921.49
  6. Step 6: Final answer
    x = 18,367.91

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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.