Home / 26,418.32-36,423.72-18,873.68

Finding the Fourth Proportional to 26,418.32, 36,423.72 and 18,873.68

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Solution

The fourth proportional to 26,418.32, 36,423.72 and 18,873.68 is: 26,021.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,418.32 : 36,423.72 = 18,873.68 : x
  2. Step 2: Convert to fraction form
    26,418.32/36,423.72 = 18,873.68/x
  3. Step 3: Cross multiply
    26,418.32x = 36,423.72 × 18,873.68
  4. Step 4: Simplify right side
    26,418.32x = 687,449,635.69
  5. Step 5: Solve for x
    x = 687,449,635.69/26,418.32
  6. Step 6: Final answer
    x = 26,021.70

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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.