Home / 36,838.80-55,244.70-11,885.40

Finding the Fourth Proportional to 36,838.80, 55,244.70 and 11,885.40

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Solution

The fourth proportional to 36,838.80, 55,244.70 and 11,885.40 is: 17,823.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,838.80 : 55,244.70 = 11,885.40 : x
  2. Step 2: Convert to fraction form
    36,838.80/55,244.70 = 11,885.40/x
  3. Step 3: Cross multiply
    36,838.80x = 55,244.70 × 11,885.40
  4. Step 4: Simplify right side
    36,838.80x = 656,605,357.38
  5. Step 5: Solve for x
    x = 656,605,357.38/36,838.80
  6. Step 6: Final answer
    x = 17,823.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.