Home / 22,984.43-31,716.56-12,912.08

Finding the Fourth Proportional to 22,984.43, 31,716.56 and 12,912.08

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Solution

The fourth proportional to 22,984.43, 31,716.56 and 12,912.08 is: 17,817.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,984.43 : 31,716.56 = 12,912.08 : x
  2. Step 2: Convert to fraction form
    22,984.43/31,716.56 = 12,912.08/x
  3. Step 3: Cross multiply
    22,984.43x = 31,716.56 × 12,912.08
  4. Step 4: Simplify right side
    22,984.43x = 409,526,633.74
  5. Step 5: Solve for x
    x = 409,526,633.74/22,984.43
  6. Step 6: Final answer
    x = 17,817.57

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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.