Home / 12,964.80-19,453.72-5,567.20

Finding the Fourth Proportional to 12,964.80, 19,453.72 and 5,567.20

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Solution

The fourth proportional to 12,964.80, 19,453.72 and 5,567.20 is: 8,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,964.80 : 19,453.72 = 5,567.20 : x
  2. Step 2: Convert to fraction form
    12,964.80/19,453.72 = 5,567.20/x
  3. Step 3: Cross multiply
    12,964.80x = 19,453.72 × 5,567.20
  4. Step 4: Simplify right side
    12,964.80x = 108,302,749.98
  5. Step 5: Solve for x
    x = 108,302,749.98/12,964.80
  6. Step 6: Final answer
    x = 8,353.60

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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.