Home / 13,439.24-20,162.27-9,498.26

Finding the Fourth Proportional to 13,439.24, 20,162.27 and 9,498.26

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Solution

The fourth proportional to 13,439.24, 20,162.27 and 9,498.26 is: 14,249.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439.24 : 20,162.27 = 9,498.26 : x
  2. Step 2: Convert to fraction form
    13,439.24/20,162.27 = 9,498.26/x
  3. Step 3: Cross multiply
    13,439.24x = 20,162.27 × 9,498.26
  4. Step 4: Simplify right side
    13,439.24x = 191,506,405.58
  5. Step 5: Solve for x
    x = 191,506,405.58/13,439.24
  6. Step 6: Final answer
    x = 14,249.79

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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.