Home / 18,581.64-25,634.58-10,620.96

Finding the Fourth Proportional to 18,581.64, 25,634.58 and 10,620.96

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Solution

The fourth proportional to 18,581.64, 25,634.58 and 10,620.96 is: 14,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.64 : 25,634.58 = 10,620.96 : x
  2. Step 2: Convert to fraction form
    18,581.64/25,634.58 = 10,620.96/x
  3. Step 3: Cross multiply
    18,581.64x = 25,634.58 × 10,620.96
  4. Step 4: Simplify right side
    18,581.64x = 272,263,848.80
  5. Step 5: Solve for x
    x = 272,263,848.80/18,581.64
  6. Step 6: Final answer
    x = 14,652.30

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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.