Home / 19,859.18-27,406.10-10,907.27

Finding the Fourth Proportional to 19,859.18, 27,406.10 and 10,907.27

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Solution

The fourth proportional to 19,859.18, 27,406.10 and 10,907.27 is: 15,052.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.18 : 27,406.10 = 10,907.27 : x
  2. Step 2: Convert to fraction form
    19,859.18/27,406.10 = 10,907.27/x
  3. Step 3: Cross multiply
    19,859.18x = 27,406.10 × 10,907.27
  4. Step 4: Simplify right side
    19,859.18x = 298,925,540.78
  5. Step 5: Solve for x
    x = 298,925,540.78/19,859.18
  6. Step 6: Final answer
    x = 15,052.26

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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.