Home / 26,449.79-36,502.07-15,845.57

Finding the Fourth Proportional to 26,449.79, 36,502.07 and 15,845.57

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Solution

The fourth proportional to 26,449.79, 36,502.07 and 15,845.57 is: 21,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,449.79 : 36,502.07 = 15,845.57 : x
  2. Step 2: Convert to fraction form
    26,449.79/36,502.07 = 15,845.57/x
  3. Step 3: Cross multiply
    26,449.79x = 36,502.07 × 15,845.57
  4. Step 4: Simplify right side
    26,449.79x = 578,395,843.59
  5. Step 5: Solve for x
    x = 578,395,843.59/26,449.79
  6. Step 6: Final answer
    x = 21,867.70

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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.