Home / 22,427.69-30,950.07-12,355.90

Finding the Fourth Proportional to 22,427.69, 30,950.07 and 12,355.90

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Solution

The fourth proportional to 22,427.69, 30,950.07 and 12,355.90 is: 17,051.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,427.69 : 30,950.07 = 12,355.90 : x
  2. Step 2: Convert to fraction form
    22,427.69/30,950.07 = 12,355.90/x
  3. Step 3: Cross multiply
    22,427.69x = 30,950.07 × 12,355.90
  4. Step 4: Simplify right side
    22,427.69x = 382,415,892.54
  5. Step 5: Solve for x
    x = 382,415,892.54/22,427.69
  6. Step 6: Final answer
    x = 17,051.06

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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.