Home / 18,955.74-26,158.86-11,002.62

Finding the Fourth Proportional to 18,955.74, 26,158.86 and 11,002.62

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Solution

The fourth proportional to 18,955.74, 26,158.86 and 11,002.62 is: 15,183.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,955.74 : 26,158.86 = 11,002.62 : x
  2. Step 2: Convert to fraction form
    18,955.74/26,158.86 = 11,002.62/x
  3. Step 3: Cross multiply
    18,955.74x = 26,158.86 × 11,002.62
  4. Step 4: Simplify right side
    18,955.74x = 287,815,996.21
  5. Step 5: Solve for x
    x = 287,815,996.21/18,955.74
  6. Step 6: Final answer
    x = 15,183.58

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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.