Home / 13,488.12-20,232.32-4,723.25

Finding the Fourth Proportional to 13,488.12, 20,232.32 and 4,723.25

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Solution

The fourth proportional to 13,488.12, 20,232.32 and 4,723.25 is: 7,084.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488.12 : 20,232.32 = 4,723.25 : x
  2. Step 2: Convert to fraction form
    13,488.12/20,232.32 = 4,723.25/x
  3. Step 3: Cross multiply
    13,488.12x = 20,232.32 × 4,723.25
  4. Step 4: Simplify right side
    13,488.12x = 95,562,180.66
  5. Step 5: Solve for x
    x = 95,562,180.66/13,488.12
  6. Step 6: Final answer
    x = 7,084.91

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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.