Home / 26,639.16-36,720.99-19,914.54

Finding the Fourth Proportional to 26,639.16, 36,720.99 and 19,914.54

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Solution

The fourth proportional to 26,639.16, 36,720.99 and 19,914.54 is: 27,451.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,639.16 : 36,720.99 = 19,914.54 : x
  2. Step 2: Convert to fraction form
    26,639.16/36,720.99 = 19,914.54/x
  3. Step 3: Cross multiply
    26,639.16x = 36,720.99 × 19,914.54
  4. Step 4: Simplify right side
    26,639.16x = 731,281,624.19
  5. Step 5: Solve for x
    x = 731,281,624.19/26,639.16
  6. Step 6: Final answer
    x = 27,451.38

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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.