Home / 19,232.27-28,866.51-13,900.78

Finding the Fourth Proportional to 19,232.27, 28,866.51 and 13,900.78

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Solution

The fourth proportional to 19,232.27, 28,866.51 and 13,900.78 is: 20,864.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,232.27 : 28,866.51 = 13,900.78 : x
  2. Step 2: Convert to fraction form
    19,232.27/28,866.51 = 13,900.78/x
  3. Step 3: Cross multiply
    19,232.27x = 28,866.51 × 13,900.78
  4. Step 4: Simplify right side
    19,232.27x = 401,267,040.96
  5. Step 5: Solve for x
    x = 401,267,040.96/19,232.27
  6. Step 6: Final answer
    x = 20,864.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.