Home / 14,338.15-19,783.19-8,366.41

Finding the Fourth Proportional to 14,338.15, 19,783.19 and 8,366.41

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Solution

The fourth proportional to 14,338.15, 19,783.19 and 8,366.41 is: 11,543.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,338.15 : 19,783.19 = 8,366.41 : x
  2. Step 2: Convert to fraction form
    14,338.15/19,783.19 = 8,366.41/x
  3. Step 3: Cross multiply
    14,338.15x = 19,783.19 × 8,366.41
  4. Step 4: Simplify right side
    14,338.15x = 165,514,236.82
  5. Step 5: Solve for x
    x = 165,514,236.82/14,338.15
  6. Step 6: Final answer
    x = 11,543.63

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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.