Home / 13,448.70-20,163.45-7,607.10

Finding the Fourth Proportional to 13,448.70, 20,163.45 and 7,607.10

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Solution

The fourth proportional to 13,448.70, 20,163.45 and 7,607.10 is: 11,405.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.70 : 20,163.45 = 7,607.10 : x
  2. Step 2: Convert to fraction form
    13,448.70/20,163.45 = 7,607.10/x
  3. Step 3: Cross multiply
    13,448.70x = 20,163.45 × 7,607.10
  4. Step 4: Simplify right side
    13,448.70x = 153,385,380.50
  5. Step 5: Solve for x
    x = 153,385,380.50/13,448.70
  6. Step 6: Final answer
    x = 11,405.22

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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.