Home / 13,711.26-20,566.88-4,477.26

Finding the Fourth Proportional to 13,711.26, 20,566.88 and 4,477.26

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Solution

The fourth proportional to 13,711.26, 20,566.88 and 4,477.26 is: 6,715.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.26 : 20,566.88 = 4,477.26 : x
  2. Step 2: Convert to fraction form
    13,711.26/20,566.88 = 4,477.26/x
  3. Step 3: Cross multiply
    13,711.26x = 20,566.88 × 4,477.26
  4. Step 4: Simplify right side
    13,711.26x = 92,083,269.15
  5. Step 5: Solve for x
    x = 92,083,269.15/13,711.26
  6. Step 6: Final answer
    x = 6,715.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.