Home / 14,073.06-21,078.35-10,112.43

Finding the Fourth Proportional to 14,073.06, 21,078.35 and 10,112.43

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Solution

The fourth proportional to 14,073.06, 21,078.35 and 10,112.43 is: 15,146.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,073.06 : 21,078.35 = 10,112.43 : x
  2. Step 2: Convert to fraction form
    14,073.06/21,078.35 = 10,112.43/x
  3. Step 3: Cross multiply
    14,073.06x = 21,078.35 × 10,112.43
  4. Step 4: Simplify right side
    14,073.06x = 213,153,288.33
  5. Step 5: Solve for x
    x = 213,153,288.33/14,073.06
  6. Step 6: Final answer
    x = 15,146.19

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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.