Home / 13,110.32-19,584.45-11,791.98

Finding the Fourth Proportional to 13,110.32, 19,584.45 and 11,791.98

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Solution

The fourth proportional to 13,110.32, 19,584.45 and 11,791.98 is: 17,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.32 : 19,584.45 = 11,791.98 : x
  2. Step 2: Convert to fraction form
    13,110.32/19,584.45 = 11,791.98/x
  3. Step 3: Cross multiply
    13,110.32x = 19,584.45 × 11,791.98
  4. Step 4: Simplify right side
    13,110.32x = 230,939,442.71
  5. Step 5: Solve for x
    x = 230,939,442.71/13,110.32
  6. Step 6: Final answer
    x = 17,615.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.