Home / 13,366.72-20,050.56-7,132.48

Finding the Fourth Proportional to 13,366.72, 20,050.56 and 7,132.48

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Solution

The fourth proportional to 13,366.72, 20,050.56 and 7,132.48 is: 10,698.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.72 : 20,050.56 = 7,132.48 : x
  2. Step 2: Convert to fraction form
    13,366.72/20,050.56 = 7,132.48/x
  3. Step 3: Cross multiply
    13,366.72x = 20,050.56 × 7,132.48
  4. Step 4: Simplify right side
    13,366.72x = 143,010,218.19
  5. Step 5: Solve for x
    x = 143,010,218.19/13,366.72
  6. Step 6: Final answer
    x = 10,698.98

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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.