Home / 21,024.24-29,014.38-12,072.12

Finding the Fourth Proportional to 21,024.24, 29,014.38 and 12,072.12

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Solution

The fourth proportional to 21,024.24, 29,014.38 and 12,072.12 is: 16,660.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,024.24 : 29,014.38 = 12,072.12 : x
  2. Step 2: Convert to fraction form
    21,024.24/29,014.38 = 12,072.12/x
  3. Step 3: Cross multiply
    21,024.24x = 29,014.38 × 12,072.12
  4. Step 4: Simplify right side
    21,024.24x = 350,265,077.09
  5. Step 5: Solve for x
    x = 350,265,077.09/21,024.24
  6. Step 6: Final answer
    x = 16,660.06

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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.