Home / 14,204.06-21,309.16-5,438.97

Finding the Fourth Proportional to 14,204.06, 21,309.16 and 5,438.97

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Solution

The fourth proportional to 14,204.06, 21,309.16 and 5,438.97 is: 8,159.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,204.06 : 21,309.16 = 5,438.97 : x
  2. Step 2: Convert to fraction form
    14,204.06/21,309.16 = 5,438.97/x
  3. Step 3: Cross multiply
    14,204.06x = 21,309.16 × 5,438.97
  4. Step 4: Simplify right side
    14,204.06x = 115,899,881.97
  5. Step 5: Solve for x
    x = 115,899,881.97/14,204.06
  6. Step 6: Final answer
    x = 8,159.63

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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.