Home / 26,722.67-36,878.37-14,785.81

Finding the Fourth Proportional to 26,722.67, 36,878.37 and 14,785.81

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Solution

The fourth proportional to 26,722.67, 36,878.37 and 14,785.81 is: 20,405.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,722.67 : 36,878.37 = 14,785.81 : x
  2. Step 2: Convert to fraction form
    26,722.67/36,878.37 = 14,785.81/x
  3. Step 3: Cross multiply
    26,722.67x = 36,878.37 × 14,785.81
  4. Step 4: Simplify right side
    26,722.67x = 545,276,571.93
  5. Step 5: Solve for x
    x = 545,276,571.93/26,722.67
  6. Step 6: Final answer
    x = 20,405.02

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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.