Home / 19,977.64-27,569.12-11,025.14

Finding the Fourth Proportional to 19,977.64, 27,569.12 and 11,025.14

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Solution

The fourth proportional to 19,977.64, 27,569.12 and 11,025.14 is: 15,214.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,977.64 : 27,569.12 = 11,025.14 : x
  2. Step 2: Convert to fraction form
    19,977.64/27,569.12 = 11,025.14/x
  3. Step 3: Cross multiply
    19,977.64x = 27,569.12 × 11,025.14
  4. Step 4: Simplify right side
    19,977.64x = 303,953,407.68
  5. Step 5: Solve for x
    x = 303,953,407.68/19,977.64
  6. Step 6: Final answer
    x = 15,214.68

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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.