Home / 14,043.41-19,379.88-8,076.23

Finding the Fourth Proportional to 14,043.41, 19,379.88 and 8,076.23

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Solution

The fourth proportional to 14,043.41, 19,379.88 and 8,076.23 is: 11,145.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.41 : 19,379.88 = 8,076.23 : x
  2. Step 2: Convert to fraction form
    14,043.41/19,379.88 = 8,076.23/x
  3. Step 3: Cross multiply
    14,043.41x = 19,379.88 × 8,076.23
  4. Step 4: Simplify right side
    14,043.41x = 156,516,368.25
  5. Step 5: Solve for x
    x = 156,516,368.25/14,043.41
  6. Step 6: Final answer
    x = 11,145.18

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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.