Home / 19,331.34-26,674.76-11,370.66

Finding the Fourth Proportional to 19,331.34, 26,674.76 and 11,370.66

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Solution

The fourth proportional to 19,331.34, 26,674.76 and 11,370.66 is: 15,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.34 : 26,674.76 = 11,370.66 : x
  2. Step 2: Convert to fraction form
    19,331.34/26,674.76 = 11,370.66/x
  3. Step 3: Cross multiply
    19,331.34x = 26,674.76 × 11,370.66
  4. Step 4: Simplify right side
    19,331.34x = 303,309,626.54
  5. Step 5: Solve for x
    x = 303,309,626.54/19,331.34
  6. Step 6: Final answer
    x = 15,690.05

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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.