Home / 13,599.48-20,380.23-7,346.01

Finding the Fourth Proportional to 13,599.48, 20,380.23 and 7,346.01

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Solution

The fourth proportional to 13,599.48, 20,380.23 and 7,346.01 is: 11,008.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.48 : 20,380.23 = 7,346.01 : x
  2. Step 2: Convert to fraction form
    13,599.48/20,380.23 = 7,346.01/x
  3. Step 3: Cross multiply
    13,599.48x = 20,380.23 × 7,346.01
  4. Step 4: Simplify right side
    13,599.48x = 149,713,373.38
  5. Step 5: Solve for x
    x = 149,713,373.38/13,599.48
  6. Step 6: Final answer
    x = 11,008.76

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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.