Home / 14,983.75-20,676.63-8,269.45

Finding the Fourth Proportional to 14,983.75, 20,676.63 and 8,269.45

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Solution

The fourth proportional to 14,983.75, 20,676.63 and 8,269.45 is: 11,411.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,983.75 : 20,676.63 = 8,269.45 : x
  2. Step 2: Convert to fraction form
    14,983.75/20,676.63 = 8,269.45/x
  3. Step 3: Cross multiply
    14,983.75x = 20,676.63 × 8,269.45
  4. Step 4: Simplify right side
    14,983.75x = 170,984,357.95
  5. Step 5: Solve for x
    x = 170,984,357.95/14,983.75
  6. Step 6: Final answer
    x = 11,411.32

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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.