Home / 13,819.44-19,070.88-7,531.83

Finding the Fourth Proportional to 13,819.44, 19,070.88 and 7,531.83

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Solution

The fourth proportional to 13,819.44, 19,070.88 and 7,531.83 is: 10,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.44 : 19,070.88 = 7,531.83 : x
  2. Step 2: Convert to fraction form
    13,819.44/19,070.88 = 7,531.83/x
  3. Step 3: Cross multiply
    13,819.44x = 19,070.88 × 7,531.83
  4. Step 4: Simplify right side
    13,819.44x = 143,638,626.11
  5. Step 5: Solve for x
    x = 143,638,626.11/13,819.44
  6. Step 6: Final answer
    x = 10,393.95

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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.