Home / 19,231.77-26,530.41-14,975.31

Finding the Fourth Proportional to 19,231.77, 26,530.41 and 14,975.31

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Solution

The fourth proportional to 19,231.77, 26,530.41 and 14,975.31 is: 20,658.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,231.77 : 26,530.41 = 14,975.31 : x
  2. Step 2: Convert to fraction form
    19,231.77/26,530.41 = 14,975.31/x
  3. Step 3: Cross multiply
    19,231.77x = 26,530.41 × 14,975.31
  4. Step 4: Simplify right side
    19,231.77x = 397,301,114.18
  5. Step 5: Solve for x
    x = 397,301,114.18/19,231.77
  6. Step 6: Final answer
    x = 20,658.58

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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.