Home / 13,384.56-18,453.90-8,596.05

Finding the Fourth Proportional to 13,384.56, 18,453.90 and 8,596.05

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Solution

The fourth proportional to 13,384.56, 18,453.90 and 8,596.05 is: 11,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384.56 : 18,453.90 = 8,596.05 : x
  2. Step 2: Convert to fraction form
    13,384.56/18,453.90 = 8,596.05/x
  3. Step 3: Cross multiply
    13,384.56x = 18,453.90 × 8,596.05
  4. Step 4: Simplify right side
    13,384.56x = 158,630,647.10
  5. Step 5: Solve for x
    x = 158,630,647.10/13,384.56
  6. Step 6: Final answer
    x = 11,851.76

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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.