Home / 13,806.60-19,053.36-7,519.08

Finding the Fourth Proportional to 13,806.60, 19,053.36 and 7,519.08

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Solution

The fourth proportional to 13,806.60, 19,053.36 and 7,519.08 is: 10,376.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806.60 : 19,053.36 = 7,519.08 : x
  2. Step 2: Convert to fraction form
    13,806.60/19,053.36 = 7,519.08/x
  3. Step 3: Cross multiply
    13,806.60x = 19,053.36 × 7,519.08
  4. Step 4: Simplify right side
    13,806.60x = 143,263,738.11
  5. Step 5: Solve for x
    x = 143,263,738.11/13,806.60
  6. Step 6: Final answer
    x = 10,376.47

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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.