Home / 13,966.68-19,273.86-7,679.28

Finding the Fourth Proportional to 13,966.68, 19,273.86 and 7,679.28

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Solution

The fourth proportional to 13,966.68, 19,273.86 and 7,679.28 is: 10,597.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.68 : 19,273.86 = 7,679.28 : x
  2. Step 2: Convert to fraction form
    13,966.68/19,273.86 = 7,679.28/x
  3. Step 3: Cross multiply
    13,966.68x = 19,273.86 × 7,679.28
  4. Step 4: Simplify right side
    13,966.68x = 148,009,367.62
  5. Step 5: Solve for x
    x = 148,009,367.62/13,966.68
  6. Step 6: Final answer
    x = 10,597.32

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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.