Home / 13,631.04-20,453.01-5,735.30

Finding the Fourth Proportional to 13,631.04, 20,453.01 and 5,735.30

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Solution

The fourth proportional to 13,631.04, 20,453.01 and 5,735.30 is: 8,605.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631.04 : 20,453.01 = 5,735.30 : x
  2. Step 2: Convert to fraction form
    13,631.04/20,453.01 = 5,735.30/x
  3. Step 3: Cross multiply
    13,631.04x = 20,453.01 × 5,735.30
  4. Step 4: Simplify right side
    13,631.04x = 117,304,045.99
  5. Step 5: Solve for x
    x = 117,304,045.99/13,631.04
  6. Step 6: Final answer
    x = 8,605.66

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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.