Home / 14,578.75-21,754.37-13,007.95

Finding the Fourth Proportional to 14,578.75, 21,754.37 and 13,007.95

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Solution

The fourth proportional to 14,578.75, 21,754.37 and 13,007.95 is: 19,410.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,578.75 : 21,754.37 = 13,007.95 : x
  2. Step 2: Convert to fraction form
    14,578.75/21,754.37 = 13,007.95/x
  3. Step 3: Cross multiply
    14,578.75x = 21,754.37 × 13,007.95
  4. Step 4: Simplify right side
    14,578.75x = 282,979,735.38
  5. Step 5: Solve for x
    x = 282,979,735.38/14,578.75
  6. Step 6: Final answer
    x = 19,410.43

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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.