Home / 13,819.26-19,070.72-7,531.63

Finding the Fourth Proportional to 13,819.26, 19,070.72 and 7,531.63

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Solution

The fourth proportional to 13,819.26, 19,070.72 and 7,531.63 is: 10,393.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.26 : 19,070.72 = 7,531.63 : x
  2. Step 2: Convert to fraction form
    13,819.26/19,070.72 = 7,531.63/x
  3. Step 3: Cross multiply
    13,819.26x = 19,070.72 × 7,531.63
  4. Step 4: Simplify right side
    13,819.26x = 143,633,606.87
  5. Step 5: Solve for x
    x = 143,633,606.87/13,819.26
  6. Step 6: Final answer
    x = 10,393.73

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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.