Home / 13,471.12-20,208.88-4,587.24

Finding the Fourth Proportional to 13,471.12, 20,208.88 and 4,587.24

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Solution

The fourth proportional to 13,471.12, 20,208.88 and 4,587.24 is: 6,881.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471.12 : 20,208.88 = 4,587.24 : x
  2. Step 2: Convert to fraction form
    13,471.12/20,208.88 = 4,587.24/x
  3. Step 3: Cross multiply
    13,471.12x = 20,208.88 × 4,587.24
  4. Step 4: Simplify right side
    13,471.12x = 92,702,982.69
  5. Step 5: Solve for x
    x = 92,702,982.69/13,471.12
  6. Step 6: Final answer
    x = 6,881.61

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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.