Home / 14,243.24-21,364.63-5,480.06

Finding the Fourth Proportional to 14,243.24, 21,364.63 and 5,480.06

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Solution

The fourth proportional to 14,243.24, 21,364.63 and 5,480.06 is: 8,219.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.24 : 21,364.63 = 5,480.06 : x
  2. Step 2: Convert to fraction form
    14,243.24/21,364.63 = 5,480.06/x
  3. Step 3: Cross multiply
    14,243.24x = 21,364.63 × 5,480.06
  4. Step 4: Simplify right side
    14,243.24x = 117,079,333.75
  5. Step 5: Solve for x
    x = 117,079,333.75/14,243.24
  6. Step 6: Final answer
    x = 8,219.99

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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.