Home / 14,621.07-20,176.62-8,247.57

Finding the Fourth Proportional to 14,621.07, 20,176.62 and 8,247.57

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Solution

The fourth proportional to 14,621.07, 20,176.62 and 8,247.57 is: 11,381.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.07 : 20,176.62 = 8,247.57 : x
  2. Step 2: Convert to fraction form
    14,621.07/20,176.62 = 8,247.57/x
  3. Step 3: Cross multiply
    14,621.07x = 20,176.62 × 8,247.57
  4. Step 4: Simplify right side
    14,621.07x = 166,408,085.81
  5. Step 5: Solve for x
    x = 166,408,085.81/14,621.07
  6. Step 6: Final answer
    x = 11,381.39

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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.