Home / 22,412.46-30,915.55-13,800.03

Finding the Fourth Proportional to 22,412.46, 30,915.55 and 13,800.03

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Solution

The fourth proportional to 22,412.46, 30,915.55 and 13,800.03 is: 19,035.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,412.46 : 30,915.55 = 13,800.03 : x
  2. Step 2: Convert to fraction form
    22,412.46/30,915.55 = 13,800.03/x
  3. Step 3: Cross multiply
    22,412.46x = 30,915.55 × 13,800.03
  4. Step 4: Simplify right side
    22,412.46x = 426,635,517.47
  5. Step 5: Solve for x
    x = 426,635,517.47/22,412.46
  6. Step 6: Final answer
    x = 19,035.64

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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.