Home / 19,509.41-26,923.15-11,447.89

Finding the Fourth Proportional to 19,509.41, 26,923.15 and 11,447.89

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Solution

The fourth proportional to 19,509.41, 26,923.15 and 11,447.89 is: 15,798.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.41 : 26,923.15 = 11,447.89 : x
  2. Step 2: Convert to fraction form
    19,509.41/26,923.15 = 11,447.89/x
  3. Step 3: Cross multiply
    19,509.41x = 26,923.15 × 11,447.89
  4. Step 4: Simplify right side
    19,509.41x = 308,213,206.66
  5. Step 5: Solve for x
    x = 308,213,206.66/19,509.41
  6. Step 6: Final answer
    x = 15,798.18

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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.