Home / 13,510.60-20,267.34-6,395.56

Finding the Fourth Proportional to 13,510.60, 20,267.34 and 6,395.56

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Solution

The fourth proportional to 13,510.60, 20,267.34 and 6,395.56 is: 9,594.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510.60 : 20,267.34 = 6,395.56 : x
  2. Step 2: Convert to fraction form
    13,510.60/20,267.34 = 6,395.56/x
  3. Step 3: Cross multiply
    13,510.60x = 20,267.34 × 6,395.56
  4. Step 4: Simplify right side
    13,510.60x = 129,620,989.01
  5. Step 5: Solve for x
    x = 129,620,989.01/13,510.60
  6. Step 6: Final answer
    x = 9,594.02

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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.