Home / 19,113.44-28,476.39-18,172.38

Finding the Fourth Proportional to 19,113.44, 28,476.39 and 18,172.38

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Solution

The fourth proportional to 19,113.44, 28,476.39 and 18,172.38 is: 27,074.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.44 : 28,476.39 = 18,172.38 : x
  2. Step 2: Convert to fraction form
    19,113.44/28,476.39 = 18,172.38/x
  3. Step 3: Cross multiply
    19,113.44x = 28,476.39 × 18,172.38
  4. Step 4: Simplify right side
    19,113.44x = 517,483,955.04
  5. Step 5: Solve for x
    x = 517,483,955.04/19,113.44
  6. Step 6: Final answer
    x = 27,074.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.