Home / 26,256.48-36,247.32-20,274.72

Finding the Fourth Proportional to 26,256.48, 36,247.32 and 20,274.72

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Solution

The fourth proportional to 26,256.48, 36,247.32 and 20,274.72 is: 27,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,256.48 : 36,247.32 = 20,274.72 : x
  2. Step 2: Convert to fraction form
    26,256.48/36,247.32 = 20,274.72/x
  3. Step 3: Cross multiply
    26,256.48x = 36,247.32 × 20,274.72
  4. Step 4: Simplify right side
    26,256.48x = 734,904,263.75
  5. Step 5: Solve for x
    x = 734,904,263.75/26,256.48
  6. Step 6: Final answer
    x = 27,989.44

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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.