Home / 14,515.14-21,771.54-4,651.77

Finding the Fourth Proportional to 14,515.14, 21,771.54 and 4,651.77

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Solution

The fourth proportional to 14,515.14, 21,771.54 and 4,651.77 is: 6,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.14 : 21,771.54 = 4,651.77 : x
  2. Step 2: Convert to fraction form
    14,515.14/21,771.54 = 4,651.77/x
  3. Step 3: Cross multiply
    14,515.14x = 21,771.54 × 4,651.77
  4. Step 4: Simplify right side
    14,515.14x = 101,276,196.63
  5. Step 5: Solve for x
    x = 101,276,196.63/14,515.14
  6. Step 6: Final answer
    x = 6,977.28

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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.