Home / 14,920.44-20,589.30-8,955.42

Finding the Fourth Proportional to 14,920.44, 20,589.30 and 8,955.42

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Solution

The fourth proportional to 14,920.44, 20,589.30 and 8,955.42 is: 12,357.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,920.44 : 20,589.30 = 8,955.42 : x
  2. Step 2: Convert to fraction form
    14,920.44/20,589.30 = 8,955.42/x
  3. Step 3: Cross multiply
    14,920.44x = 20,589.30 × 8,955.42
  4. Step 4: Simplify right side
    14,920.44x = 184,385,829.01
  5. Step 5: Solve for x
    x = 184,385,829.01/14,920.44
  6. Step 6: Final answer
    x = 12,357.94

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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.