Home / 26,634.16-36,759.48-15,880.40

Finding the Fourth Proportional to 26,634.16, 36,759.48 and 15,880.40

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Solution

The fourth proportional to 26,634.16, 36,759.48 and 15,880.40 is: 21,917.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,634.16 : 36,759.48 = 15,880.40 : x
  2. Step 2: Convert to fraction form
    26,634.16/36,759.48 = 15,880.40/x
  3. Step 3: Cross multiply
    26,634.16x = 36,759.48 × 15,880.40
  4. Step 4: Simplify right side
    26,634.16x = 583,755,246.19
  5. Step 5: Solve for x
    x = 583,755,246.19/26,634.16
  6. Step 6: Final answer
    x = 21,917.54

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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.