Home / 19,561.83-26,986.93-13,192.53

Finding the Fourth Proportional to 19,561.83, 26,986.93 and 13,192.53

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Solution

The fourth proportional to 19,561.83, 26,986.93 and 13,192.53 is: 18,200.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561.83 : 26,986.93 = 13,192.53 : x
  2. Step 2: Convert to fraction form
    19,561.83/26,986.93 = 13,192.53/x
  3. Step 3: Cross multiply
    19,561.83x = 26,986.93 × 13,192.53
  4. Step 4: Simplify right side
    19,561.83x = 356,025,883.63
  5. Step 5: Solve for x
    x = 356,025,883.63/19,561.83
  6. Step 6: Final answer
    x = 18,200.03

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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.