Home / 19,935.43-27,512.13-10,982.93

Finding the Fourth Proportional to 19,935.43, 27,512.13 and 10,982.93

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Solution

The fourth proportional to 19,935.43, 27,512.13 and 10,982.93 is: 15,157.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935.43 : 27,512.13 = 10,982.93 : x
  2. Step 2: Convert to fraction form
    19,935.43/27,512.13 = 10,982.93/x
  3. Step 3: Cross multiply
    19,935.43x = 27,512.13 × 10,982.93
  4. Step 4: Simplify right side
    19,935.43x = 302,163,605.47
  5. Step 5: Solve for x
    x = 302,163,605.47/19,935.43
  6. Step 6: Final answer
    x = 15,157.12

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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.