Home / 19,700.44-27,182.89-11,743.40

Finding the Fourth Proportional to 19,700.44, 27,182.89 and 11,743.40

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Solution

The fourth proportional to 19,700.44, 27,182.89 and 11,743.40 is: 16,203.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,700.44 : 27,182.89 = 11,743.40 : x
  2. Step 2: Convert to fraction form
    19,700.44/27,182.89 = 11,743.40/x
  3. Step 3: Cross multiply
    19,700.44x = 27,182.89 × 11,743.40
  4. Step 4: Simplify right side
    19,700.44x = 319,219,589.02
  5. Step 5: Solve for x
    x = 319,219,589.02/19,700.44
  6. Step 6: Final answer
    x = 16,203.68

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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.