Home / 14,162.06-19,542.84-7,874.30

Finding the Fourth Proportional to 14,162.06, 19,542.84 and 7,874.30

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Solution

The fourth proportional to 14,162.06, 19,542.84 and 7,874.30 is: 10,866.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,162.06 : 19,542.84 = 7,874.30 : x
  2. Step 2: Convert to fraction form
    14,162.06/19,542.84 = 7,874.30/x
  3. Step 3: Cross multiply
    14,162.06x = 19,542.84 × 7,874.30
  4. Step 4: Simplify right side
    14,162.06x = 153,886,185.01
  5. Step 5: Solve for x
    x = 153,886,185.01/14,162.06
  6. Step 6: Final answer
    x = 10,866.09

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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.