Home / 22,693.13-31,314.11-12,619.94

Finding the Fourth Proportional to 22,693.13, 31,314.11 and 12,619.94

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Solution

The fourth proportional to 22,693.13, 31,314.11 and 12,619.94 is: 17,414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,693.13 : 31,314.11 = 12,619.94 : x
  2. Step 2: Convert to fraction form
    22,693.13/31,314.11 = 12,619.94/x
  3. Step 3: Cross multiply
    22,693.13x = 31,314.11 × 12,619.94
  4. Step 4: Simplify right side
    22,693.13x = 395,181,969.68
  5. Step 5: Solve for x
    x = 395,181,969.68/22,693.13
  6. Step 6: Final answer
    x = 17,414.17

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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.