Home / 14,715.34-20,311.48-8,751.22

Finding the Fourth Proportional to 14,715.34, 20,311.48 and 8,751.22

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Solution

The fourth proportional to 14,715.34, 20,311.48 and 8,751.22 is: 12,079.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,715.34 : 20,311.48 = 8,751.22 : x
  2. Step 2: Convert to fraction form
    14,715.34/20,311.48 = 8,751.22/x
  3. Step 3: Cross multiply
    14,715.34x = 20,311.48 × 8,751.22
  4. Step 4: Simplify right side
    14,715.34x = 177,750,230.01
  5. Step 5: Solve for x
    x = 177,750,230.01/14,715.34
  6. Step 6: Final answer
    x = 12,079.25

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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.