Home / 18,814.06-25,963.43-10,430.56

Finding the Fourth Proportional to 18,814.06, 25,963.43 and 10,430.56

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Solution

The fourth proportional to 18,814.06, 25,963.43 and 10,430.56 is: 14,394.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,814.06 : 25,963.43 = 10,430.56 : x
  2. Step 2: Convert to fraction form
    18,814.06/25,963.43 = 10,430.56/x
  3. Step 3: Cross multiply
    18,814.06x = 25,963.43 × 10,430.56
  4. Step 4: Simplify right side
    18,814.06x = 270,813,010.68
  5. Step 5: Solve for x
    x = 270,813,010.68/18,814.06
  6. Step 6: Final answer
    x = 14,394.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.