Home / 19,172.39-26,453.84-11,213.01

Finding the Fourth Proportional to 19,172.39, 26,453.84 and 11,213.01

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Solution

The fourth proportional to 19,172.39, 26,453.84 and 11,213.01 is: 15,471.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172.39 : 26,453.84 = 11,213.01 : x
  2. Step 2: Convert to fraction form
    19,172.39/26,453.84 = 11,213.01/x
  3. Step 3: Cross multiply
    19,172.39x = 26,453.84 × 11,213.01
  4. Step 4: Simplify right side
    19,172.39x = 296,627,116.39
  5. Step 5: Solve for x
    x = 296,627,116.39/19,172.39
  6. Step 6: Final answer
    x = 15,471.58

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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.