Home / 19,331.93-26,690.91-14,847.66

Finding the Fourth Proportional to 19,331.93, 26,690.91 and 14,847.66

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Solution

The fourth proportional to 19,331.93, 26,690.91 and 14,847.66 is: 20,499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.93 : 26,690.91 = 14,847.66 : x
  2. Step 2: Convert to fraction form
    19,331.93/26,690.91 = 14,847.66/x
  3. Step 3: Cross multiply
    19,331.93x = 26,690.91 × 14,847.66
  4. Step 4: Simplify right side
    19,331.93x = 396,297,556.77
  5. Step 5: Solve for x
    x = 396,297,556.77/19,331.93
  6. Step 6: Final answer
    x = 20,499.64

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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.