Home / 13,858.06-19,126.34-10,896.39

Finding the Fourth Proportional to 13,858.06, 19,126.34 and 10,896.39

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Solution

The fourth proportional to 13,858.06, 19,126.34 and 10,896.39 is: 15,038.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858.06 : 19,126.34 = 10,896.39 : x
  2. Step 2: Convert to fraction form
    13,858.06/19,126.34 = 10,896.39/x
  3. Step 3: Cross multiply
    13,858.06x = 19,126.34 × 10,896.39
  4. Step 4: Simplify right side
    13,858.06x = 208,407,980.93
  5. Step 5: Solve for x
    x = 208,407,980.93/13,858.06
  6. Step 6: Final answer
    x = 15,038.75

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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.