Home / 14,241.36-19,651.60-8,274.28

Finding the Fourth Proportional to 14,241.36, 19,651.60 and 8,274.28

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Solution

The fourth proportional to 14,241.36, 19,651.60 and 8,274.28 is: 11,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,241.36 : 19,651.60 = 8,274.28 : x
  2. Step 2: Convert to fraction form
    14,241.36/19,651.60 = 8,274.28/x
  3. Step 3: Cross multiply
    14,241.36x = 19,651.60 × 8,274.28
  4. Step 4: Simplify right side
    14,241.36x = 162,602,840.85
  5. Step 5: Solve for x
    x = 162,602,840.85/14,241.36
  6. Step 6: Final answer
    x = 11,417.65

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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.