Home / 14,167.76-21,236.58-6,762.06

Finding the Fourth Proportional to 14,167.76, 21,236.58 and 6,762.06

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Solution

The fourth proportional to 14,167.76, 21,236.58 and 6,762.06 is: 10,135.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.76 : 21,236.58 = 6,762.06 : x
  2. Step 2: Convert to fraction form
    14,167.76/21,236.58 = 6,762.06/x
  3. Step 3: Cross multiply
    14,167.76x = 21,236.58 × 6,762.06
  4. Step 4: Simplify right side
    14,167.76x = 143,603,028.15
  5. Step 5: Solve for x
    x = 143,603,028.15/14,167.76
  6. Step 6: Final answer
    x = 10,135.91

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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.