Home / 13,376.37-20,065.41-4,491.34

Finding the Fourth Proportional to 13,376.37, 20,065.41 and 4,491.34

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Solution

The fourth proportional to 13,376.37, 20,065.41 and 4,491.34 is: 6,737.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.37 : 20,065.41 = 4,491.34 : x
  2. Step 2: Convert to fraction form
    13,376.37/20,065.41 = 4,491.34/x
  3. Step 3: Cross multiply
    13,376.37x = 20,065.41 × 4,491.34
  4. Step 4: Simplify right side
    13,376.37x = 90,120,541.02
  5. Step 5: Solve for x
    x = 90,120,541.02/13,376.37
  6. Step 6: Final answer
    x = 6,737.30

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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.