Home / 13,624.12-20,424.36-11,303.44

Finding the Fourth Proportional to 13,624.12, 20,424.36 and 11,303.44

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Solution

The fourth proportional to 13,624.12, 20,424.36 and 11,303.44 is: 16,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.12 : 20,424.36 = 11,303.44 : x
  2. Step 2: Convert to fraction form
    13,624.12/20,424.36 = 11,303.44/x
  3. Step 3: Cross multiply
    13,624.12x = 20,424.36 × 11,303.44
  4. Step 4: Simplify right side
    13,624.12x = 230,865,527.80
  5. Step 5: Solve for x
    x = 230,865,527.80/13,624.12
  6. Step 6: Final answer
    x = 16,945.35

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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.