Home / 19,673.81-27,146.78-11,058.28

Finding the Fourth Proportional to 19,673.81, 27,146.78 and 11,058.28

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Solution

The fourth proportional to 19,673.81, 27,146.78 and 11,058.28 is: 15,258.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,673.81 : 27,146.78 = 11,058.28 : x
  2. Step 2: Convert to fraction form
    19,673.81/27,146.78 = 11,058.28/x
  3. Step 3: Cross multiply
    19,673.81x = 27,146.78 × 11,058.28
  4. Step 4: Simplify right side
    19,673.81x = 300,196,850.18
  5. Step 5: Solve for x
    x = 300,196,850.18/19,673.81
  6. Step 6: Final answer
    x = 15,258.70

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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.