Home / 14,106.30-19,422.36-11,977.62

Finding the Fourth Proportional to 14,106.30, 19,422.36 and 11,977.62

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Solution

The fourth proportional to 14,106.30, 19,422.36 and 11,977.62 is: 16,491.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.30 : 19,422.36 = 11,977.62 : x
  2. Step 2: Convert to fraction form
    14,106.30/19,422.36 = 11,977.62/x
  3. Step 3: Cross multiply
    14,106.30x = 19,422.36 × 11,977.62
  4. Step 4: Simplify right side
    14,106.30x = 232,633,647.58
  5. Step 5: Solve for x
    x = 232,633,647.58/14,106.30
  6. Step 6: Final answer
    x = 16,491.47

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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.