Home / 18,969.54-26,185.14-14,267.40

Finding the Fourth Proportional to 18,969.54, 26,185.14 and 14,267.40

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Solution

The fourth proportional to 18,969.54, 26,185.14 and 14,267.40 is: 19,694.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,969.54 : 26,185.14 = 14,267.40 : x
  2. Step 2: Convert to fraction form
    18,969.54/26,185.14 = 14,267.40/x
  3. Step 3: Cross multiply
    18,969.54x = 26,185.14 × 14,267.40
  4. Step 4: Simplify right side
    18,969.54x = 373,593,866.44
  5. Step 5: Solve for x
    x = 373,593,866.44/18,969.54
  6. Step 6: Final answer
    x = 19,694.41

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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.