Home / 19,078.75-26,328.68-11,626.75

Finding the Fourth Proportional to 19,078.75, 26,328.68 and 11,626.75

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Solution

The fourth proportional to 19,078.75, 26,328.68 and 11,626.75 is: 16,044.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,078.75 : 26,328.68 = 11,626.75 : x
  2. Step 2: Convert to fraction form
    19,078.75/26,328.68 = 11,626.75/x
  3. Step 3: Cross multiply
    19,078.75x = 26,328.68 × 11,626.75
  4. Step 4: Simplify right side
    19,078.75x = 306,116,980.19
  5. Step 5: Solve for x
    x = 306,116,980.19/19,078.75
  6. Step 6: Final answer
    x = 16,044.92

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1.5x scale

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.