Home / 14,763.12-20,370.60-8,475.36

Finding the Fourth Proportional to 14,763.12, 20,370.60 and 8,475.36

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Solution

The fourth proportional to 14,763.12, 20,370.60 and 8,475.36 is: 11,694.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,763.12 : 20,370.60 = 8,475.36 : x
  2. Step 2: Convert to fraction form
    14,763.12/20,370.60 = 8,475.36/x
  3. Step 3: Cross multiply
    14,763.12x = 20,370.60 × 8,475.36
  4. Step 4: Simplify right side
    14,763.12x = 172,648,168.42
  5. Step 5: Solve for x
    x = 172,648,168.42/14,763.12
  6. Step 6: Final answer
    x = 11,694.56

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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.