Home / 14,366.44-21,505.10-7,776.28

Finding the Fourth Proportional to 14,366.44, 21,505.10 and 7,776.28

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Solution

The fourth proportional to 14,366.44, 21,505.10 and 7,776.28 is: 11,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,366.44 : 21,505.10 = 7,776.28 : x
  2. Step 2: Convert to fraction form
    14,366.44/21,505.10 = 7,776.28/x
  3. Step 3: Cross multiply
    14,366.44x = 21,505.10 × 7,776.28
  4. Step 4: Simplify right side
    14,366.44x = 167,229,679.03
  5. Step 5: Solve for x
    x = 167,229,679.03/14,366.44
  6. Step 6: Final answer
    x = 11,640.30

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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.