Home / 13,392.95-20,089.23-3,261.36

Finding the Fourth Proportional to 13,392.95, 20,089.23 and 3,261.36

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Solution

The fourth proportional to 13,392.95, 20,089.23 and 3,261.36 is: 4,891.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392.95 : 20,089.23 = 3,261.36 : x
  2. Step 2: Convert to fraction form
    13,392.95/20,089.23 = 3,261.36/x
  3. Step 3: Cross multiply
    13,392.95x = 20,089.23 × 3,261.36
  4. Step 4: Simplify right side
    13,392.95x = 65,518,211.15
  5. Step 5: Solve for x
    x = 65,518,211.15/13,392.95
  6. Step 6: Final answer
    x = 4,891.99

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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.