Home / 26,785.48-36,975.72-18,750.69

Finding the Fourth Proportional to 26,785.48, 36,975.72 and 18,750.69

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Solution

The fourth proportional to 26,785.48, 36,975.72 and 18,750.69 is: 25,884.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,785.48 : 36,975.72 = 18,750.69 : x
  2. Step 2: Convert to fraction form
    26,785.48/36,975.72 = 18,750.69/x
  3. Step 3: Cross multiply
    26,785.48x = 36,975.72 × 18,750.69
  4. Step 4: Simplify right side
    26,785.48x = 693,320,078.37
  5. Step 5: Solve for x
    x = 693,320,078.37/26,785.48
  6. Step 6: Final answer
    x = 25,884.18

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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.