Home / 19,957.16-27,538.78-11,004.14

Finding the Fourth Proportional to 19,957.16, 27,538.78 and 11,004.14

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Solution

The fourth proportional to 19,957.16, 27,538.78 and 11,004.14 is: 15,184.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.16 : 27,538.78 = 11,004.14 : x
  2. Step 2: Convert to fraction form
    19,957.16/27,538.78 = 11,004.14/x
  3. Step 3: Cross multiply
    19,957.16x = 27,538.78 × 11,004.14
  4. Step 4: Simplify right side
    19,957.16x = 303,040,590.55
  5. Step 5: Solve for x
    x = 303,040,590.55/19,957.16
  6. Step 6: Final answer
    x = 15,184.55

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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.