Home / 19,973.25-27,565.65-11,589.75

Finding the Fourth Proportional to 19,973.25, 27,565.65 and 11,589.75

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Solution

The fourth proportional to 19,973.25, 27,565.65 and 11,589.75 is: 15,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.25 : 27,565.65 = 11,589.75 : x
  2. Step 2: Convert to fraction form
    19,973.25/27,565.65 = 11,589.75/x
  3. Step 3: Cross multiply
    19,973.25x = 27,565.65 × 11,589.75
  4. Step 4: Simplify right side
    19,973.25x = 319,478,992.09
  5. Step 5: Solve for x
    x = 319,478,992.09/19,973.25
  6. Step 6: Final answer
    x = 15,995.34

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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.