Home / 13,145.24-19,702.26-7,587.09

Finding the Fourth Proportional to 13,145.24, 19,702.26 and 7,587.09

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Solution

The fourth proportional to 13,145.24, 19,702.26 and 7,587.09 is: 11,371.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145.24 : 19,702.26 = 7,587.09 : x
  2. Step 2: Convert to fraction form
    13,145.24/19,702.26 = 7,587.09/x
  3. Step 3: Cross multiply
    13,145.24x = 19,702.26 × 7,587.09
  4. Step 4: Simplify right side
    13,145.24x = 149,482,819.82
  5. Step 5: Solve for x
    x = 149,482,819.82/13,145.24
  6. Step 6: Final answer
    x = 11,371.63

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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.