Home / 13,982.24-19,323.12-11,460.32

Finding the Fourth Proportional to 13,982.24, 19,323.12 and 11,460.32

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Solution

The fourth proportional to 13,982.24, 19,323.12 and 11,460.32 is: 15,837.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.24 : 19,323.12 = 11,460.32 : x
  2. Step 2: Convert to fraction form
    13,982.24/19,323.12 = 11,460.32/x
  3. Step 3: Cross multiply
    13,982.24x = 19,323.12 × 11,460.32
  4. Step 4: Simplify right side
    13,982.24x = 221,449,138.60
  5. Step 5: Solve for x
    x = 221,449,138.60/13,982.24
  6. Step 6: Final answer
    x = 15,837.89

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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.