Home / 19,936-27,512.93-10,983.51

Finding the Fourth Proportional to 19,936, 27,512.93 and 10,983.51

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Solution

The fourth proportional to 19,936, 27,512.93 and 10,983.51 is: 15,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936 : 27,512.93 = 10,983.51 : x
  2. Step 2: Convert to fraction form
    19,936/27,512.93 = 10,983.51/x
  3. Step 3: Cross multiply
    19,936x = 27,512.93 × 10,983.51
  4. Step 4: Simplify right side
    19,936x = 302,188,541.78
  5. Step 5: Solve for x
    x = 302,188,541.78/19,936
  6. Step 6: Final answer
    x = 15,157.93

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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.