Home / 18,302.94-25,250.56-12,336.53

Finding the Fourth Proportional to 18,302.94, 25,250.56 and 12,336.53

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Solution

The fourth proportional to 18,302.94, 25,250.56 and 12,336.53 is: 17,019.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,302.94 : 25,250.56 = 12,336.53 : x
  2. Step 2: Convert to fraction form
    18,302.94/25,250.56 = 12,336.53/x
  3. Step 3: Cross multiply
    18,302.94x = 25,250.56 × 12,336.53
  4. Step 4: Simplify right side
    18,302.94x = 311,504,133.86
  5. Step 5: Solve for x
    x = 311,504,133.86/18,302.94
  6. Step 6: Final answer
    x = 17,019.35

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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.