Home / 17,862.65-26,788.50-12,351.41

Finding the Fourth Proportional to 17,862.65, 26,788.50 and 12,351.41

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Solution

The fourth proportional to 17,862.65, 26,788.50 and 12,351.41 is: 18,523.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,862.65 : 26,788.50 = 12,351.41 : x
  2. Step 2: Convert to fraction form
    17,862.65/26,788.50 = 12,351.41/x
  3. Step 3: Cross multiply
    17,862.65x = 26,788.50 × 12,351.41
  4. Step 4: Simplify right side
    17,862.65x = 330,875,746.79
  5. Step 5: Solve for x
    x = 330,875,746.79/17,862.65
  6. Step 6: Final answer
    x = 18,523.33

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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.