Home / 19,859.57-27,406.39-10,907.25

Finding the Fourth Proportional to 19,859.57, 27,406.39 and 10,907.25

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Solution

The fourth proportional to 19,859.57, 27,406.39 and 10,907.25 is: 15,052.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.57 : 27,406.39 = 10,907.25 : x
  2. Step 2: Convert to fraction form
    19,859.57/27,406.39 = 10,907.25/x
  3. Step 3: Cross multiply
    19,859.57x = 27,406.39 × 10,907.25
  4. Step 4: Simplify right side
    19,859.57x = 298,928,320.06
  5. Step 5: Solve for x
    x = 298,928,320.06/19,859.57
  6. Step 6: Final answer
    x = 15,052.11

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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.