Home / 19,936.13-27,511.85-10,983.63

Finding the Fourth Proportional to 19,936.13, 27,511.85 and 10,983.63

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Solution

The fourth proportional to 19,936.13, 27,511.85 and 10,983.63 is: 15,157.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.13 : 27,511.85 = 10,983.63 : x
  2. Step 2: Convert to fraction form
    19,936.13/27,511.85 = 10,983.63/x
  3. Step 3: Cross multiply
    19,936.13x = 27,511.85 × 10,983.63
  4. Step 4: Simplify right side
    19,936.13x = 302,180,111.64
  5. Step 5: Solve for x
    x = 302,180,111.64/19,936.13
  6. Step 6: Final answer
    x = 15,157.41

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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.