Home / 14,655.94-20,216.99-8,993.43

Finding the Fourth Proportional to 14,655.94, 20,216.99 and 8,993.43

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Solution

The fourth proportional to 14,655.94, 20,216.99 and 8,993.43 is: 12,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.94 : 20,216.99 = 8,993.43 : x
  2. Step 2: Convert to fraction form
    14,655.94/20,216.99 = 8,993.43/x
  3. Step 3: Cross multiply
    14,655.94x = 20,216.99 × 8,993.43
  4. Step 4: Simplify right side
    14,655.94x = 181,820,106.86
  5. Step 5: Solve for x
    x = 181,820,106.86/14,655.94
  6. Step 6: Final answer
    x = 12,405.90

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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.