Home / 13,949.47-19,237.04-11,126.08

Finding the Fourth Proportional to 13,949.47, 19,237.04 and 11,126.08

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Solution

The fourth proportional to 13,949.47, 19,237.04 and 11,126.08 is: 15,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.47 : 19,237.04 = 11,126.08 : x
  2. Step 2: Convert to fraction form
    13,949.47/19,237.04 = 11,126.08/x
  3. Step 3: Cross multiply
    13,949.47x = 19,237.04 × 11,126.08
  4. Step 4: Simplify right side
    13,949.47x = 214,032,749.82
  5. Step 5: Solve for x
    x = 214,032,749.82/13,949.47
  6. Step 6: Final answer
    x = 15,343.44

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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.