Home / 19,745.64-27,250.61-11,250.42

Finding the Fourth Proportional to 19,745.64, 27,250.61 and 11,250.42

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Solution

The fourth proportional to 19,745.64, 27,250.61 and 11,250.42 is: 15,526.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,745.64 : 27,250.61 = 11,250.42 : x
  2. Step 2: Convert to fraction form
    19,745.64/27,250.61 = 11,250.42/x
  3. Step 3: Cross multiply
    19,745.64x = 27,250.61 × 11,250.42
  4. Step 4: Simplify right side
    19,745.64x = 306,580,807.76
  5. Step 5: Solve for x
    x = 306,580,807.76/19,745.64
  6. Step 6: Final answer
    x = 15,526.51

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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.