Home / 14,340.57-19,790.41-8,676.35

Finding the Fourth Proportional to 14,340.57, 19,790.41 and 8,676.35

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Solution

The fourth proportional to 14,340.57, 19,790.41 and 8,676.35 is: 11,973.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.57 : 19,790.41 = 8,676.35 : x
  2. Step 2: Convert to fraction form
    14,340.57/19,790.41 = 8,676.35/x
  3. Step 3: Cross multiply
    14,340.57x = 19,790.41 × 8,676.35
  4. Step 4: Simplify right side
    14,340.57x = 171,708,613.74
  5. Step 5: Solve for x
    x = 171,708,613.74/14,340.57
  6. Step 6: Final answer
    x = 11,973.63

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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.