Home / 14,162.51-21,243.75-6,744.47

Finding the Fourth Proportional to 14,162.51, 21,243.75 and 6,744.47

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Solution

The fourth proportional to 14,162.51, 21,243.75 and 6,744.47 is: 10,116.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,162.51 : 21,243.75 = 6,744.47 : x
  2. Step 2: Convert to fraction form
    14,162.51/21,243.75 = 6,744.47/x
  3. Step 3: Cross multiply
    14,162.51x = 21,243.75 × 6,744.47
  4. Step 4: Simplify right side
    14,162.51x = 143,277,887.67
  5. Step 5: Solve for x
    x = 143,277,887.67/14,162.51
  6. Step 6: Final answer
    x = 10,116.71

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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.