Home / 18,330.11-25,294.88-9,946.43

Finding the Fourth Proportional to 18,330.11, 25,294.88 and 9,946.43

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Solution

The fourth proportional to 18,330.11, 25,294.88 and 9,946.43 is: 13,725.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.11 : 25,294.88 = 9,946.43 : x
  2. Step 2: Convert to fraction form
    18,330.11/25,294.88 = 9,946.43/x
  3. Step 3: Cross multiply
    18,330.11x = 25,294.88 × 9,946.43
  4. Step 4: Simplify right side
    18,330.11x = 251,593,703.55
  5. Step 5: Solve for x
    x = 251,593,703.55/18,330.11
  6. Step 6: Final answer
    x = 13,725.71

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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.