Home / 13,362.30-20,040.72-4,597.90

Finding the Fourth Proportional to 13,362.30, 20,040.72 and 4,597.90

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Solution

The fourth proportional to 13,362.30, 20,040.72 and 4,597.90 is: 6,895.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.30 : 20,040.72 = 4,597.90 : x
  2. Step 2: Convert to fraction form
    13,362.30/20,040.72 = 4,597.90/x
  3. Step 3: Cross multiply
    13,362.30x = 20,040.72 × 4,597.90
  4. Step 4: Simplify right side
    13,362.30x = 92,145,159.14
  5. Step 5: Solve for x
    x = 92,145,159.14/13,362.30
  6. Step 6: Final answer
    x = 6,895.91

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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.