Home / 14,761.16-20,370.10-8,137.16

Finding the Fourth Proportional to 14,761.16, 20,370.10 and 8,137.16

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Solution

The fourth proportional to 14,761.16, 20,370.10 and 8,137.16 is: 11,229.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,761.16 : 20,370.10 = 8,137.16 : x
  2. Step 2: Convert to fraction form
    14,761.16/20,370.10 = 8,137.16/x
  3. Step 3: Cross multiply
    14,761.16x = 20,370.10 × 8,137.16
  4. Step 4: Simplify right side
    14,761.16x = 165,754,762.92
  5. Step 5: Solve for x
    x = 165,754,762.92/14,761.16
  6. Step 6: Final answer
    x = 11,229.11

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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.