Home / 23,999.05-33,111.28-15,505.90

Finding the Fourth Proportional to 23,999.05, 33,111.28 and 15,505.90

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Solution

The fourth proportional to 23,999.05, 33,111.28 and 15,505.90 is: 21,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,999.05 : 33,111.28 = 15,505.90 : x
  2. Step 2: Convert to fraction form
    23,999.05/33,111.28 = 15,505.90/x
  3. Step 3: Cross multiply
    23,999.05x = 33,111.28 × 15,505.90
  4. Step 4: Simplify right side
    23,999.05x = 513,420,196.55
  5. Step 5: Solve for x
    x = 513,420,196.55/23,999.05
  6. Step 6: Final answer
    x = 21,393.36

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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.