Home / 20,099.34-27,741.56-13,013.46

Finding the Fourth Proportional to 20,099.34, 27,741.56 and 13,013.46

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Solution

The fourth proportional to 20,099.34, 27,741.56 and 13,013.46 is: 17,961.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,099.34 : 27,741.56 = 13,013.46 : x
  2. Step 2: Convert to fraction form
    20,099.34/27,741.56 = 13,013.46/x
  3. Step 3: Cross multiply
    20,099.34x = 27,741.56 × 13,013.46
  4. Step 4: Simplify right side
    20,099.34x = 361,013,616.33
  5. Step 5: Solve for x
    x = 361,013,616.33/20,099.34
  6. Step 6: Final answer
    x = 17,961.47

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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.