Home / 13,637.62-20,334.56-13,610.98

Finding the Fourth Proportional to 13,637.62, 20,334.56 and 13,610.98

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Solution

The fourth proportional to 13,637.62, 20,334.56 and 13,610.98 is: 20,294.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.62 : 20,334.56 = 13,610.98 : x
  2. Step 2: Convert to fraction form
    13,637.62/20,334.56 = 13,610.98/x
  3. Step 3: Cross multiply
    13,637.62x = 20,334.56 × 13,610.98
  4. Step 4: Simplify right side
    13,637.62x = 276,773,289.47
  5. Step 5: Solve for x
    x = 276,773,289.47/13,637.62
  6. Step 6: Final answer
    x = 20,294.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.