Home / 26,638.73-36,749.27-15,454.25

Finding the Fourth Proportional to 26,638.73, 36,749.27 and 15,454.25

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Solution

The fourth proportional to 26,638.73, 36,749.27 and 15,454.25 is: 21,319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,638.73 : 36,749.27 = 15,454.25 : x
  2. Step 2: Convert to fraction form
    26,638.73/36,749.27 = 15,454.25/x
  3. Step 3: Cross multiply
    26,638.73x = 36,749.27 × 15,454.25
  4. Step 4: Simplify right side
    26,638.73x = 567,932,328.63
  5. Step 5: Solve for x
    x = 567,932,328.63/26,638.73
  6. Step 6: Final answer
    x = 21,319.80

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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.