Home / 18,949.32-26,157.24-14,905.68

Finding the Fourth Proportional to 18,949.32, 26,157.24 and 14,905.68

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Solution

The fourth proportional to 18,949.32, 26,157.24 and 14,905.68 is: 20,575.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.32 : 26,157.24 = 14,905.68 : x
  2. Step 2: Convert to fraction form
    18,949.32/26,157.24 = 14,905.68/x
  3. Step 3: Cross multiply
    18,949.32x = 26,157.24 × 14,905.68
  4. Step 4: Simplify right side
    18,949.32x = 389,891,449.12
  5. Step 5: Solve for x
    x = 389,891,449.12/18,949.32
  6. Step 6: Final answer
    x = 20,575.48

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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.