Home / 18,711.33-25,824.84-17,870.55

Finding the Fourth Proportional to 18,711.33, 25,824.84 and 17,870.55

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Solution

The fourth proportional to 18,711.33, 25,824.84 and 17,870.55 is: 24,664.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711.33 : 25,824.84 = 17,870.55 : x
  2. Step 2: Convert to fraction form
    18,711.33/25,824.84 = 17,870.55/x
  3. Step 3: Cross multiply
    18,711.33x = 25,824.84 × 17,870.55
  4. Step 4: Simplify right side
    18,711.33x = 461,504,094.46
  5. Step 5: Solve for x
    x = 461,504,094.46/18,711.33
  6. Step 6: Final answer
    x = 24,664.42

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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.