Home / 22,010.54-33,015.27-6,428.30

Finding the Fourth Proportional to 22,010.54, 33,015.27 and 6,428.30

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Solution

The fourth proportional to 22,010.54, 33,015.27 and 6,428.30 is: 9,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,010.54 : 33,015.27 = 6,428.30 : x
  2. Step 2: Convert to fraction form
    22,010.54/33,015.27 = 6,428.30/x
  3. Step 3: Cross multiply
    22,010.54x = 33,015.27 × 6,428.30
  4. Step 4: Simplify right side
    22,010.54x = 212,232,060.14
  5. Step 5: Solve for x
    x = 212,232,060.14/22,010.54
  6. Step 6: Final answer
    x = 9,642.29

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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.