Home / 19,957.43-27,539.13-11,004.39

Finding the Fourth Proportional to 19,957.43, 27,539.13 and 11,004.39

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Solution

The fourth proportional to 19,957.43, 27,539.13 and 11,004.39 is: 15,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.43 : 27,539.13 = 11,004.39 : x
  2. Step 2: Convert to fraction form
    19,957.43/27,539.13 = 11,004.39/x
  3. Step 3: Cross multiply
    19,957.43x = 27,539.13 × 11,004.39
  4. Step 4: Simplify right side
    19,957.43x = 303,051,326.78
  5. Step 5: Solve for x
    x = 303,051,326.78/19,957.43
  6. Step 6: Final answer
    x = 15,184.89

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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.