Home / 19,883.18-27,437.19-10,930.46

Finding the Fourth Proportional to 19,883.18, 27,437.19 and 10,930.46

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Solution

The fourth proportional to 19,883.18, 27,437.19 and 10,930.46 is: 15,083.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,883.18 : 27,437.19 = 10,930.46 : x
  2. Step 2: Convert to fraction form
    19,883.18/27,437.19 = 10,930.46/x
  3. Step 3: Cross multiply
    19,883.18x = 27,437.19 × 10,930.46
  4. Step 4: Simplify right side
    19,883.18x = 299,901,107.81
  5. Step 5: Solve for x
    x = 299,901,107.81/19,883.18
  6. Step 6: Final answer
    x = 15,083.16

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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.