Home / 26,503.49-36,536.28-18,520.94

Finding the Fourth Proportional to 26,503.49, 36,536.28 and 18,520.94

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Solution

The fourth proportional to 26,503.49, 36,536.28 and 18,520.94 is: 25,531.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,503.49 : 36,536.28 = 18,520.94 : x
  2. Step 2: Convert to fraction form
    26,503.49/36,536.28 = 18,520.94/x
  3. Step 3: Cross multiply
    26,503.49x = 36,536.28 × 18,520.94
  4. Step 4: Simplify right side
    26,503.49x = 676,686,249.70
  5. Step 5: Solve for x
    x = 676,686,249.70/26,503.49
  6. Step 6: Final answer
    x = 25,531.97

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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.