Home / 13,819.25-19,070.56-7,850.93

Finding the Fourth Proportional to 13,819.25, 19,070.56 and 7,850.93

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Solution

The fourth proportional to 13,819.25, 19,070.56 and 7,850.93 is: 10,834.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.25 : 19,070.56 = 7,850.93 : x
  2. Step 2: Convert to fraction form
    13,819.25/19,070.56 = 7,850.93/x
  3. Step 3: Cross multiply
    13,819.25x = 19,070.56 × 7,850.93
  4. Step 4: Simplify right side
    13,819.25x = 149,721,568.16
  5. Step 5: Solve for x
    x = 149,721,568.16/13,819.25
  6. Step 6: Final answer
    x = 10,834.28

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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.