Home / 19,957.59-27,542.84-11,574.09

Finding the Fourth Proportional to 19,957.59, 27,542.84 and 11,574.09

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Solution

The fourth proportional to 19,957.59, 27,542.84 and 11,574.09 is: 15,973.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.59 : 27,542.84 = 11,574.09 : x
  2. Step 2: Convert to fraction form
    19,957.59/27,542.84 = 11,574.09/x
  3. Step 3: Cross multiply
    19,957.59x = 27,542.84 × 11,574.09
  4. Step 4: Simplify right side
    19,957.59x = 318,783,251.15
  5. Step 5: Solve for x
    x = 318,783,251.15/19,957.59
  6. Step 6: Final answer
    x = 15,973.03

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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.