Home / 26,498.12-36,528.89-18,515.57

Finding the Fourth Proportional to 26,498.12, 36,528.89 and 18,515.57

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Solution

The fourth proportional to 26,498.12, 36,528.89 and 18,515.57 is: 25,524.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,498.12 : 36,528.89 = 18,515.57 : x
  2. Step 2: Convert to fraction form
    26,498.12/36,528.89 = 18,515.57/x
  3. Step 3: Cross multiply
    26,498.12x = 36,528.89 × 18,515.57
  4. Step 4: Simplify right side
    26,498.12x = 676,352,944.60
  5. Step 5: Solve for x
    x = 676,352,944.60/26,498.12
  6. Step 6: Final answer
    x = 25,524.57

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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.