Home / 14,620.38-20,176.47-8,333.34

Finding the Fourth Proportional to 14,620.38, 20,176.47 and 8,333.34

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Solution

The fourth proportional to 14,620.38, 20,176.47 and 8,333.34 is: 11,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.38 : 20,176.47 = 8,333.34 : x
  2. Step 2: Convert to fraction form
    14,620.38/20,176.47 = 8,333.34/x
  3. Step 3: Cross multiply
    14,620.38x = 20,176.47 × 8,333.34
  4. Step 4: Simplify right side
    14,620.38x = 168,137,384.51
  5. Step 5: Solve for x
    x = 168,137,384.51/14,620.38
  6. Step 6: Final answer
    x = 11,500.21

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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.