Home / 13,361.76-20,040.24-4,001.52

Finding the Fourth Proportional to 13,361.76, 20,040.24 and 4,001.52

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Solution

The fourth proportional to 13,361.76, 20,040.24 and 4,001.52 is: 6,001.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361.76 : 20,040.24 = 4,001.52 : x
  2. Step 2: Convert to fraction form
    13,361.76/20,040.24 = 4,001.52/x
  3. Step 3: Cross multiply
    13,361.76x = 20,040.24 × 4,001.52
  4. Step 4: Simplify right side
    13,361.76x = 80,191,421.16
  5. Step 5: Solve for x
    x = 80,191,421.16/13,361.76
  6. Step 6: Final answer
    x = 6,001.56

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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.