Home / 14,193.46-21,287.64-3,802.78

Finding the Fourth Proportional to 14,193.46, 21,287.64 and 3,802.78

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Solution

The fourth proportional to 14,193.46, 21,287.64 and 3,802.78 is: 5,703.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.46 : 21,287.64 = 3,802.78 : x
  2. Step 2: Convert to fraction form
    14,193.46/21,287.64 = 3,802.78/x
  3. Step 3: Cross multiply
    14,193.46x = 21,287.64 × 3,802.78
  4. Step 4: Simplify right side
    14,193.46x = 80,952,211.64
  5. Step 5: Solve for x
    x = 80,952,211.64/14,193.46
  6. Step 6: Final answer
    x = 5,703.49

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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.