Home / 25,565.41-38,297.06-20,309.32

Finding the Fourth Proportional to 25,565.41, 38,297.06 and 20,309.32

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Solution

The fourth proportional to 25,565.41, 38,297.06 and 20,309.32 is: 30,423.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,565.41 : 38,297.06 = 20,309.32 : x
  2. Step 2: Convert to fraction form
    25,565.41/38,297.06 = 20,309.32/x
  3. Step 3: Cross multiply
    25,565.41x = 38,297.06 × 20,309.32
  4. Step 4: Simplify right side
    25,565.41x = 777,787,246.60
  5. Step 5: Solve for x
    x = 777,787,246.60/25,565.41
  6. Step 6: Final answer
    x = 30,423.42

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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.