Home / 13,631.81-20,433.01-6,596.96

Finding the Fourth Proportional to 13,631.81, 20,433.01 and 6,596.96

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Solution

The fourth proportional to 13,631.81, 20,433.01 and 6,596.96 is: 9,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631.81 : 20,433.01 = 6,596.96 : x
  2. Step 2: Convert to fraction form
    13,631.81/20,433.01 = 6,596.96/x
  3. Step 3: Cross multiply
    13,631.81x = 20,433.01 × 6,596.96
  4. Step 4: Simplify right side
    13,631.81x = 134,795,758.30
  5. Step 5: Solve for x
    x = 134,795,758.30/13,631.81
  6. Step 6: Final answer
    x = 9,888.32

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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.