Home / 19,470.11-26,870.37-11,296.54

Finding the Fourth Proportional to 19,470.11, 26,870.37 and 11,296.54

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Solution

The fourth proportional to 19,470.11, 26,870.37 and 11,296.54 is: 15,590.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,470.11 : 26,870.37 = 11,296.54 : x
  2. Step 2: Convert to fraction form
    19,470.11/26,870.37 = 11,296.54/x
  3. Step 3: Cross multiply
    19,470.11x = 26,870.37 × 11,296.54
  4. Step 4: Simplify right side
    19,470.11x = 303,542,172.83
  5. Step 5: Solve for x
    x = 303,542,172.83/19,470.11
  6. Step 6: Final answer
    x = 15,590.16

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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.