Home / 19,883.22-27,437.70-10,930.72

Finding the Fourth Proportional to 19,883.22, 27,437.70 and 10,930.72

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Solution

The fourth proportional to 19,883.22, 27,437.70 and 10,930.72 is: 15,083.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,883.22 : 27,437.70 = 10,930.72 : x
  2. Step 2: Convert to fraction form
    19,883.22/27,437.70 = 10,930.72/x
  3. Step 3: Cross multiply
    19,883.22x = 27,437.70 × 10,930.72
  4. Step 4: Simplify right side
    19,883.22x = 299,913,624.30
  5. Step 5: Solve for x
    x = 299,913,624.30/19,883.22
  6. Step 6: Final answer
    x = 15,083.76

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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.