Home / 14,211.63-21,320.53-5,446.55

Finding the Fourth Proportional to 14,211.63, 21,320.53 and 5,446.55

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Solution

The fourth proportional to 14,211.63, 21,320.53 and 5,446.55 is: 8,171.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.63 : 21,320.53 = 5,446.55 : x
  2. Step 2: Convert to fraction form
    14,211.63/21,320.53 = 5,446.55/x
  3. Step 3: Cross multiply
    14,211.63x = 21,320.53 × 5,446.55
  4. Step 4: Simplify right side
    14,211.63x = 116,123,372.36
  5. Step 5: Solve for x
    x = 116,123,372.36/14,211.63
  6. Step 6: Final answer
    x = 8,171.01

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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.