Home / 19,133.43-26,395.61-11,172.14

Finding the Fourth Proportional to 19,133.43, 26,395.61 and 11,172.14

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Solution

The fourth proportional to 19,133.43, 26,395.61 and 11,172.14 is: 15,412.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133.43 : 26,395.61 = 11,172.14 : x
  2. Step 2: Convert to fraction form
    19,133.43/26,395.61 = 11,172.14/x
  3. Step 3: Cross multiply
    19,133.43x = 26,395.61 × 11,172.14
  4. Step 4: Simplify right side
    19,133.43x = 294,895,361.45
  5. Step 5: Solve for x
    x = 294,895,361.45/19,133.43
  6. Step 6: Final answer
    x = 15,412.57

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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.