Home / 13,806.88-19,053.54-7,519.24

Finding the Fourth Proportional to 13,806.88, 19,053.54 and 7,519.24

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Solution

The fourth proportional to 13,806.88, 19,053.54 and 7,519.24 is: 10,376.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806.88 : 19,053.54 = 7,519.24 : x
  2. Step 2: Convert to fraction form
    13,806.88/19,053.54 = 7,519.24/x
  3. Step 3: Cross multiply
    13,806.88x = 19,053.54 × 7,519.24
  4. Step 4: Simplify right side
    13,806.88x = 143,268,140.11
  5. Step 5: Solve for x
    x = 143,268,140.11/13,806.88
  6. Step 6: Final answer
    x = 10,376.58

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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.