Home / 19,251.35-26,373.90-18,531.77

Finding the Fourth Proportional to 19,251.35, 26,373.90 and 18,531.77

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Solution

The fourth proportional to 19,251.35, 26,373.90 and 18,531.77 is: 25,388.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.35 : 26,373.90 = 18,531.77 : x
  2. Step 2: Convert to fraction form
    19,251.35/26,373.90 = 18,531.77/x
  3. Step 3: Cross multiply
    19,251.35x = 26,373.90 × 18,531.77
  4. Step 4: Simplify right side
    19,251.35x = 488,755,048.80
  5. Step 5: Solve for x
    x = 488,755,048.80/19,251.35
  6. Step 6: Final answer
    x = 25,388.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.