Home / 13,731.38-20,573.56-7,495.77

Finding the Fourth Proportional to 13,731.38, 20,573.56 and 7,495.77

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Solution

The fourth proportional to 13,731.38, 20,573.56 and 7,495.77 is: 11,230.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.38 : 20,573.56 = 7,495.77 : x
  2. Step 2: Convert to fraction form
    13,731.38/20,573.56 = 7,495.77/x
  3. Step 3: Cross multiply
    13,731.38x = 20,573.56 × 7,495.77
  4. Step 4: Simplify right side
    13,731.38x = 154,214,673.84
  5. Step 5: Solve for x
    x = 154,214,673.84/13,731.38
  6. Step 6: Final answer
    x = 11,230.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.