Home / 26,274.08-36,255.76-15,661.60

Finding the Fourth Proportional to 26,274.08, 36,255.76 and 15,661.60

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Solution

The fourth proportional to 26,274.08, 36,255.76 and 15,661.60 is: 21,611.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,274.08 : 36,255.76 = 15,661.60 : x
  2. Step 2: Convert to fraction form
    26,274.08/36,255.76 = 15,661.60/x
  3. Step 3: Cross multiply
    26,274.08x = 36,255.76 × 15,661.60
  4. Step 4: Simplify right side
    26,274.08x = 567,823,210.82
  5. Step 5: Solve for x
    x = 567,823,210.82/26,274.08
  6. Step 6: Final answer
    x = 21,611.54

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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.