Home / 13,075.21-19,604.58-4,307.77

Finding the Fourth Proportional to 13,075.21, 19,604.58 and 4,307.77

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Solution

The fourth proportional to 13,075.21, 19,604.58 and 4,307.77 is: 6,458.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.21 : 19,604.58 = 4,307.77 : x
  2. Step 2: Convert to fraction form
    13,075.21/19,604.58 = 4,307.77/x
  3. Step 3: Cross multiply
    13,075.21x = 19,604.58 × 4,307.77
  4. Step 4: Simplify right side
    13,075.21x = 84,452,021.59
  5. Step 5: Solve for x
    x = 84,452,021.59/13,075.21
  6. Step 6: Final answer
    x = 6,458.94

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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.