Home / 14,786.51-20,392.05-9,480.29

Finding the Fourth Proportional to 14,786.51, 20,392.05 and 9,480.29

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Solution

The fourth proportional to 14,786.51, 20,392.05 and 9,480.29 is: 13,074.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,786.51 : 20,392.05 = 9,480.29 : x
  2. Step 2: Convert to fraction form
    14,786.51/20,392.05 = 9,480.29/x
  3. Step 3: Cross multiply
    14,786.51x = 20,392.05 × 9,480.29
  4. Step 4: Simplify right side
    14,786.51x = 193,322,445.73
  5. Step 5: Solve for x
    x = 193,322,445.73/14,786.51
  6. Step 6: Final answer
    x = 13,074.25

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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.