Home / 19,255.65-28,883.48-11,836.05

Finding the Fourth Proportional to 19,255.65, 28,883.48 and 11,836.05

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Solution

The fourth proportional to 19,255.65, 28,883.48 and 11,836.05 is: 17,754.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255.65 : 28,883.48 = 11,836.05 : x
  2. Step 2: Convert to fraction form
    19,255.65/28,883.48 = 11,836.05/x
  3. Step 3: Cross multiply
    19,255.65x = 28,883.48 × 11,836.05
  4. Step 4: Simplify right side
    19,255.65x = 341,866,254.27
  5. Step 5: Solve for x
    x = 341,866,254.27/19,255.65
  6. Step 6: Final answer
    x = 17,754.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.