Home / 14,256.96-19,683.36-11,284.80

Finding the Fourth Proportional to 14,256.96, 19,683.36 and 11,284.80

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Solution

The fourth proportional to 14,256.96, 19,683.36 and 11,284.80 is: 15,579.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.96 : 19,683.36 = 11,284.80 : x
  2. Step 2: Convert to fraction form
    14,256.96/19,683.36 = 11,284.80/x
  3. Step 3: Cross multiply
    14,256.96x = 19,683.36 × 11,284.80
  4. Step 4: Simplify right side
    14,256.96x = 222,122,780.93
  5. Step 5: Solve for x
    x = 222,122,780.93/14,256.96
  6. Step 6: Final answer
    x = 15,579.95

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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.