Home / 14,068.32-21,102.72-3,679.68

Finding the Fourth Proportional to 14,068.32, 21,102.72 and 3,679.68

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Solution

The fourth proportional to 14,068.32, 21,102.72 and 3,679.68 is: 5,519.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,068.32 : 21,102.72 = 3,679.68 : x
  2. Step 2: Convert to fraction form
    14,068.32/21,102.72 = 3,679.68/x
  3. Step 3: Cross multiply
    14,068.32x = 21,102.72 × 3,679.68
  4. Step 4: Simplify right side
    14,068.32x = 77,651,256.73
  5. Step 5: Solve for x
    x = 77,651,256.73/14,068.32
  6. Step 6: Final answer
    x = 5,519.58

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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.