Home / 13,853.42-19,101.36-11,192.60

Finding the Fourth Proportional to 13,853.42, 19,101.36 and 11,192.60

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Solution

The fourth proportional to 13,853.42, 19,101.36 and 11,192.60 is: 15,432.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.42 : 19,101.36 = 11,192.60 : x
  2. Step 2: Convert to fraction form
    13,853.42/19,101.36 = 11,192.60/x
  3. Step 3: Cross multiply
    13,853.42x = 19,101.36 × 11,192.60
  4. Step 4: Simplify right side
    13,853.42x = 213,793,881.94
  5. Step 5: Solve for x
    x = 213,793,881.94/13,853.42
  6. Step 6: Final answer
    x = 15,432.57

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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.