Home / 22,274.14-30,741.06-13,780.30

Finding the Fourth Proportional to 22,274.14, 30,741.06 and 13,780.30

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Solution

The fourth proportional to 22,274.14, 30,741.06 and 13,780.30 is: 19,018.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,274.14 : 30,741.06 = 13,780.30 : x
  2. Step 2: Convert to fraction form
    22,274.14/30,741.06 = 13,780.30/x
  3. Step 3: Cross multiply
    22,274.14x = 30,741.06 × 13,780.30
  4. Step 4: Simplify right side
    22,274.14x = 423,621,029.12
  5. Step 5: Solve for x
    x = 423,621,029.12/22,274.14
  6. Step 6: Final answer
    x = 19,018.51

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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.