Home / 36,872.52-55,308.72-11,916.24

Finding the Fourth Proportional to 36,872.52, 55,308.72 and 11,916.24

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Solution

The fourth proportional to 36,872.52, 55,308.72 and 11,916.24 is: 17,874.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,872.52 : 55,308.72 = 11,916.24 : x
  2. Step 2: Convert to fraction form
    36,872.52/55,308.72 = 11,916.24/x
  3. Step 3: Cross multiply
    36,872.52x = 55,308.72 × 11,916.24
  4. Step 4: Simplify right side
    36,872.52x = 659,071,981.61
  5. Step 5: Solve for x
    x = 659,071,981.61/36,872.52
  6. Step 6: Final answer
    x = 17,874.34

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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.