Home / 13,624.22-20,437.25-5,303.70

Finding the Fourth Proportional to 13,624.22, 20,437.25 and 5,303.70

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Solution

The fourth proportional to 13,624.22, 20,437.25 and 5,303.70 is: 7,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.22 : 20,437.25 = 5,303.70 : x
  2. Step 2: Convert to fraction form
    13,624.22/20,437.25 = 5,303.70/x
  3. Step 3: Cross multiply
    13,624.22x = 20,437.25 × 5,303.70
  4. Step 4: Simplify right side
    13,624.22x = 108,393,016.31
  5. Step 5: Solve for x
    x = 108,393,016.31/13,624.22
  6. Step 6: Final answer
    x = 7,955.90

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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.