Home / 13,806.94-19,053.58-7,519.32

Finding the Fourth Proportional to 13,806.94, 19,053.58 and 7,519.32

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Solution

The fourth proportional to 13,806.94, 19,053.58 and 7,519.32 is: 10,376.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806.94 : 19,053.58 = 7,519.32 : x
  2. Step 2: Convert to fraction form
    13,806.94/19,053.58 = 7,519.32/x
  3. Step 3: Cross multiply
    13,806.94x = 19,053.58 × 7,519.32
  4. Step 4: Simplify right side
    13,806.94x = 143,269,965.17
  5. Step 5: Solve for x
    x = 143,269,965.17/13,806.94
  6. Step 6: Final answer
    x = 10,376.66

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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.