Home / 14,195.06-21,296.43-5,430.26

Finding the Fourth Proportional to 14,195.06, 21,296.43 and 5,430.26

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Solution

The fourth proportional to 14,195.06, 21,296.43 and 5,430.26 is: 8,146.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.06 : 21,296.43 = 5,430.26 : x
  2. Step 2: Convert to fraction form
    14,195.06/21,296.43 = 5,430.26/x
  3. Step 3: Cross multiply
    14,195.06x = 21,296.43 × 5,430.26
  4. Step 4: Simplify right side
    14,195.06x = 115,645,151.97
  5. Step 5: Solve for x
    x = 115,645,151.97/14,195.06
  6. Step 6: Final answer
    x = 8,146.86

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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.