Home / 13,974.28-19,284.86-7,600.84

Finding the Fourth Proportional to 13,974.28, 19,284.86 and 7,600.84

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Solution

The fourth proportional to 13,974.28, 19,284.86 and 7,600.84 is: 10,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.28 : 19,284.86 = 7,600.84 : x
  2. Step 2: Convert to fraction form
    13,974.28/19,284.86 = 7,600.84/x
  3. Step 3: Cross multiply
    13,974.28x = 19,284.86 × 7,600.84
  4. Step 4: Simplify right side
    13,974.28x = 146,581,106.07
  5. Step 5: Solve for x
    x = 146,581,106.07/13,974.28
  6. Step 6: Final answer
    x = 10,489.35

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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.