Home / 14,149.80-19,530.18-8,562.60

Finding the Fourth Proportional to 14,149.80, 19,530.18 and 8,562.60

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Solution

The fourth proportional to 14,149.80, 19,530.18 and 8,562.60 is: 11,818.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.80 : 19,530.18 = 8,562.60 : x
  2. Step 2: Convert to fraction form
    14,149.80/19,530.18 = 8,562.60/x
  3. Step 3: Cross multiply
    14,149.80x = 19,530.18 × 8,562.60
  4. Step 4: Simplify right side
    14,149.80x = 167,229,119.27
  5. Step 5: Solve for x
    x = 167,229,119.27/14,149.80
  6. Step 6: Final answer
    x = 11,818.48

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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.