Home / 14,763.03-20,372.72-8,474.91

Finding the Fourth Proportional to 14,763.03, 20,372.72 and 8,474.91

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Solution

The fourth proportional to 14,763.03, 20,372.72 and 8,474.91 is: 11,695.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,763.03 : 20,372.72 = 8,474.91 : x
  2. Step 2: Convert to fraction form
    14,763.03/20,372.72 = 8,474.91/x
  3. Step 3: Cross multiply
    14,763.03x = 20,372.72 × 8,474.91
  4. Step 4: Simplify right side
    14,763.03x = 172,656,926.08
  5. Step 5: Solve for x
    x = 172,656,926.08/14,763.03
  6. Step 6: Final answer
    x = 11,695.22

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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.