Home / 26,636.12-36,755.56-15,301.92

Finding the Fourth Proportional to 26,636.12, 36,755.56 and 15,301.92

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Solution

The fourth proportional to 26,636.12, 36,755.56 and 15,301.92 is: 21,115.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,636.12 : 36,755.56 = 15,301.92 : x
  2. Step 2: Convert to fraction form
    26,636.12/36,755.56 = 15,301.92/x
  3. Step 3: Cross multiply
    26,636.12x = 36,755.56 × 15,301.92
  4. Step 4: Simplify right side
    26,636.12x = 562,430,638.68
  5. Step 5: Solve for x
    x = 562,430,638.68/26,636.12
  6. Step 6: Final answer
    x = 21,115.34

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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.