Home / 14,769.56-20,382.50-8,396.42

Finding the Fourth Proportional to 14,769.56, 20,382.50 and 8,396.42

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Solution

The fourth proportional to 14,769.56, 20,382.50 and 8,396.42 is: 11,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.56 : 20,382.50 = 8,396.42 : x
  2. Step 2: Convert to fraction form
    14,769.56/20,382.50 = 8,396.42/x
  3. Step 3: Cross multiply
    14,769.56x = 20,382.50 × 8,396.42
  4. Step 4: Simplify right side
    14,769.56x = 171,140,030.65
  5. Step 5: Solve for x
    x = 171,140,030.65/14,769.56
  6. Step 6: Final answer
    x = 11,587.35

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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.