Home / 13,355.12-20,032.96-7,507.04

Finding the Fourth Proportional to 13,355.12, 20,032.96 and 7,507.04

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Solution

The fourth proportional to 13,355.12, 20,032.96 and 7,507.04 is: 11,260.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.12 : 20,032.96 = 7,507.04 : x
  2. Step 2: Convert to fraction form
    13,355.12/20,032.96 = 7,507.04/x
  3. Step 3: Cross multiply
    13,355.12x = 20,032.96 × 7,507.04
  4. Step 4: Simplify right side
    13,355.12x = 150,388,232.04
  5. Step 5: Solve for x
    x = 150,388,232.04/13,355.12
  6. Step 6: Final answer
    x = 11,260.72

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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.