Home / 13,173.76-19,735.80-10,237.78

Finding the Fourth Proportional to 13,173.76, 19,735.80 and 10,237.78

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Solution

The fourth proportional to 13,173.76, 19,735.80 and 10,237.78 is: 15,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.76 : 19,735.80 = 10,237.78 : x
  2. Step 2: Convert to fraction form
    13,173.76/19,735.80 = 10,237.78/x
  3. Step 3: Cross multiply
    13,173.76x = 19,735.80 × 10,237.78
  4. Step 4: Simplify right side
    13,173.76x = 202,050,778.52
  5. Step 5: Solve for x
    x = 202,050,778.52/13,173.76
  6. Step 6: Final answer
    x = 15,337.37

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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.