Home / 13,748.70-20,623.03-4,983.60

Finding the Fourth Proportional to 13,748.70, 20,623.03 and 4,983.60

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Solution

The fourth proportional to 13,748.70, 20,623.03 and 4,983.60 is: 7,475.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.70 : 20,623.03 = 4,983.60 : x
  2. Step 2: Convert to fraction form
    13,748.70/20,623.03 = 4,983.60/x
  3. Step 3: Cross multiply
    13,748.70x = 20,623.03 × 4,983.60
  4. Step 4: Simplify right side
    13,748.70x = 102,776,932.31
  5. Step 5: Solve for x
    x = 102,776,932.31/13,748.70
  6. Step 6: Final answer
    x = 7,475.39

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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.