Home / 19,525.12-26,948.64-13,239.52

Finding the Fourth Proportional to 19,525.12, 26,948.64 and 13,239.52

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Solution

The fourth proportional to 19,525.12, 26,948.64 and 13,239.52 is: 18,273.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,525.12 : 26,948.64 = 13,239.52 : x
  2. Step 2: Convert to fraction form
    19,525.12/26,948.64 = 13,239.52/x
  3. Step 3: Cross multiply
    19,525.12x = 26,948.64 × 13,239.52
  4. Step 4: Simplify right side
    19,525.12x = 356,787,058.25
  5. Step 5: Solve for x
    x = 356,787,058.25/19,525.12
  6. Step 6: Final answer
    x = 18,273.23

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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.