Home / 14,328.90-21,493.89-3,941.46

Finding the Fourth Proportional to 14,328.90, 21,493.89 and 3,941.46

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Solution

The fourth proportional to 14,328.90, 21,493.89 and 3,941.46 is: 5,912.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.90 : 21,493.89 = 3,941.46 : x
  2. Step 2: Convert to fraction form
    14,328.90/21,493.89 = 3,941.46/x
  3. Step 3: Cross multiply
    14,328.90x = 21,493.89 × 3,941.46
  4. Step 4: Simplify right side
    14,328.90x = 84,717,307.68
  5. Step 5: Solve for x
    x = 84,717,307.68/14,328.90
  6. Step 6: Final answer
    x = 5,912.34

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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.