Home / 18,964.20-26,170.59-10,580.70

Finding the Fourth Proportional to 18,964.20, 26,170.59 and 10,580.70

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Solution

The fourth proportional to 18,964.20, 26,170.59 and 10,580.70 is: 14,601.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.20 : 26,170.59 = 10,580.70 : x
  2. Step 2: Convert to fraction form
    18,964.20/26,170.59 = 10,580.70/x
  3. Step 3: Cross multiply
    18,964.20x = 26,170.59 × 10,580.70
  4. Step 4: Simplify right side
    18,964.20x = 276,903,299.43
  5. Step 5: Solve for x
    x = 276,903,299.43/18,964.20
  6. Step 6: Final answer
    x = 14,601.37

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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.