Home / 13,813.44-19,062.72-7,525.92

Finding the Fourth Proportional to 13,813.44, 19,062.72 and 7,525.92

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Solution

The fourth proportional to 13,813.44, 19,062.72 and 7,525.92 is: 10,385.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,813.44 : 19,062.72 = 7,525.92 : x
  2. Step 2: Convert to fraction form
    13,813.44/19,062.72 = 7,525.92/x
  3. Step 3: Cross multiply
    13,813.44x = 19,062.72 × 7,525.92
  4. Step 4: Simplify right side
    13,813.44x = 143,464,505.70
  5. Step 5: Solve for x
    x = 143,464,505.70/13,813.44
  6. Step 6: Final answer
    x = 10,385.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.