Home / 21,995.82-30,325.68-14,024.21

Finding the Fourth Proportional to 21,995.82, 30,325.68 and 14,024.21

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Solution

The fourth proportional to 21,995.82, 30,325.68 and 14,024.21 is: 19,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995.82 : 30,325.68 = 14,024.21 : x
  2. Step 2: Convert to fraction form
    21,995.82/30,325.68 = 14,024.21/x
  3. Step 3: Cross multiply
    21,995.82x = 30,325.68 × 14,024.21
  4. Step 4: Simplify right side
    21,995.82x = 425,293,553.08
  5. Step 5: Solve for x
    x = 425,293,553.08/21,995.82
  6. Step 6: Final answer
    x = 19,335.20

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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.