Home / 20,058.19-27,680.74-10,983.94

Finding the Fourth Proportional to 20,058.19, 27,680.74 and 10,983.94

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Solution

The fourth proportional to 20,058.19, 27,680.74 and 10,983.94 is: 15,158.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.19 : 27,680.74 = 10,983.94 : x
  2. Step 2: Convert to fraction form
    20,058.19/27,680.74 = 10,983.94/x
  3. Step 3: Cross multiply
    20,058.19x = 27,680.74 × 10,983.94
  4. Step 4: Simplify right side
    20,058.19x = 304,043,409.10
  5. Step 5: Solve for x
    x = 304,043,409.10/20,058.19
  6. Step 6: Final answer
    x = 15,158.07

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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.