Home / 13,844.84-19,105.22-7,875.95

Finding the Fourth Proportional to 13,844.84, 19,105.22 and 7,875.95

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Solution

The fourth proportional to 13,844.84, 19,105.22 and 7,875.95 is: 10,868.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.84 : 19,105.22 = 7,875.95 : x
  2. Step 2: Convert to fraction form
    13,844.84/19,105.22 = 7,875.95/x
  3. Step 3: Cross multiply
    13,844.84x = 19,105.22 × 7,875.95
  4. Step 4: Simplify right side
    13,844.84x = 150,471,718.08
  5. Step 5: Solve for x
    x = 150,471,718.08/13,844.84
  6. Step 6: Final answer
    x = 10,868.43

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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.