Home / 13,843.29-19,103.61-7,555.67

Finding the Fourth Proportional to 13,843.29, 19,103.61 and 7,555.67

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Solution

The fourth proportional to 13,843.29, 19,103.61 and 7,555.67 is: 10,426.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,843.29 : 19,103.61 = 7,555.67 : x
  2. Step 2: Convert to fraction form
    13,843.29/19,103.61 = 7,555.67/x
  3. Step 3: Cross multiply
    13,843.29x = 19,103.61 × 7,555.67
  4. Step 4: Simplify right side
    13,843.29x = 144,340,572.97
  5. Step 5: Solve for x
    x = 144,340,572.97/13,843.29
  6. Step 6: Final answer
    x = 10,426.75

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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.