Home / 26,756.89-36,924.55-14,820.20

Finding the Fourth Proportional to 26,756.89, 36,924.55 and 14,820.20

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Solution

The fourth proportional to 26,756.89, 36,924.55 and 14,820.20 is: 20,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,756.89 : 36,924.55 = 14,820.20 : x
  2. Step 2: Convert to fraction form
    26,756.89/36,924.55 = 14,820.20/x
  3. Step 3: Cross multiply
    26,756.89x = 36,924.55 × 14,820.20
  4. Step 4: Simplify right side
    26,756.89x = 547,229,215.91
  5. Step 5: Solve for x
    x = 547,229,215.91/26,756.89
  6. Step 6: Final answer
    x = 20,451.90

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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.