Home / 26,720.22-36,874.14-14,783.78

Finding the Fourth Proportional to 26,720.22, 36,874.14 and 14,783.78

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Solution

The fourth proportional to 26,720.22, 36,874.14 and 14,783.78 is: 20,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720.22 : 36,874.14 = 14,783.78 : x
  2. Step 2: Convert to fraction form
    26,720.22/36,874.14 = 14,783.78/x
  3. Step 3: Cross multiply
    26,720.22x = 36,874.14 × 14,783.78
  4. Step 4: Simplify right side
    26,720.22x = 545,139,173.45
  5. Step 5: Solve for x
    x = 545,139,173.45/26,720.22
  6. Step 6: Final answer
    x = 20,401.75

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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.