Home / 13,591.32-20,390.04-4,826.23

Finding the Fourth Proportional to 13,591.32, 20,390.04 and 4,826.23

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Solution

The fourth proportional to 13,591.32, 20,390.04 and 4,826.23 is: 7,240.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591.32 : 20,390.04 = 4,826.23 : x
  2. Step 2: Convert to fraction form
    13,591.32/20,390.04 = 4,826.23/x
  3. Step 3: Cross multiply
    13,591.32x = 20,390.04 × 4,826.23
  4. Step 4: Simplify right side
    13,591.32x = 98,407,022.75
  5. Step 5: Solve for x
    x = 98,407,022.75/13,591.32
  6. Step 6: Final answer
    x = 7,240.43

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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.