Home / 13,911.03-19,187.06-10,135.35

Finding the Fourth Proportional to 13,911.03, 19,187.06 and 10,135.35

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Solution

The fourth proportional to 13,911.03, 19,187.06 and 10,135.35 is: 13,979.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.03 : 19,187.06 = 10,135.35 : x
  2. Step 2: Convert to fraction form
    13,911.03/19,187.06 = 10,135.35/x
  3. Step 3: Cross multiply
    13,911.03x = 19,187.06 × 10,135.35
  4. Step 4: Simplify right side
    13,911.03x = 194,467,517.89
  5. Step 5: Solve for x
    x = 194,467,517.89/13,911.03
  6. Step 6: Final answer
    x = 13,979.38

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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.