Home / 22,986.90-31,718.52-13,296.06

Finding the Fourth Proportional to 22,986.90, 31,718.52 and 13,296.06

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Solution

The fourth proportional to 22,986.90, 31,718.52 and 13,296.06 is: 18,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,986.90 : 31,718.52 = 13,296.06 : x
  2. Step 2: Convert to fraction form
    22,986.90/31,718.52 = 13,296.06/x
  3. Step 3: Cross multiply
    22,986.90x = 31,718.52 × 13,296.06
  4. Step 4: Simplify right side
    22,986.90x = 421,731,345.03
  5. Step 5: Solve for x
    x = 421,731,345.03/22,986.90
  6. Step 6: Final answer
    x = 18,346.60

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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.