Home / 20,291.77-30,440.54-6,252.94

Finding the Fourth Proportional to 20,291.77, 30,440.54 and 6,252.94

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Solution

The fourth proportional to 20,291.77, 30,440.54 and 6,252.94 is: 9,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,291.77 : 30,440.54 = 6,252.94 : x
  2. Step 2: Convert to fraction form
    20,291.77/30,440.54 = 6,252.94/x
  3. Step 3: Cross multiply
    20,291.77x = 30,440.54 × 6,252.94
  4. Step 4: Simplify right side
    20,291.77x = 190,342,870.19
  5. Step 5: Solve for x
    x = 190,342,870.19/20,291.77
  6. Step 6: Final answer
    x = 9,380.30

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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.