Home / 13,472.16-20,228.82-7,244.32

Finding the Fourth Proportional to 13,472.16, 20,228.82 and 7,244.32

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Solution

The fourth proportional to 13,472.16, 20,228.82 and 7,244.32 is: 10,877.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.16 : 20,228.82 = 7,244.32 : x
  2. Step 2: Convert to fraction form
    13,472.16/20,228.82 = 7,244.32/x
  3. Step 3: Cross multiply
    13,472.16x = 20,228.82 × 7,244.32
  4. Step 4: Simplify right side
    13,472.16x = 146,544,045.30
  5. Step 5: Solve for x
    x = 146,544,045.30/13,472.16
  6. Step 6: Final answer
    x = 10,877.55

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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.