Home / 14,675.36-20,239.68-9,635.72

Finding the Fourth Proportional to 14,675.36, 20,239.68 and 9,635.72

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Solution

The fourth proportional to 14,675.36, 20,239.68 and 9,635.72 is: 13,289.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,675.36 : 20,239.68 = 9,635.72 : x
  2. Step 2: Convert to fraction form
    14,675.36/20,239.68 = 9,635.72/x
  3. Step 3: Cross multiply
    14,675.36x = 20,239.68 × 9,635.72
  4. Step 4: Simplify right side
    14,675.36x = 195,023,889.37
  5. Step 5: Solve for x
    x = 195,023,889.37/14,675.36
  6. Step 6: Final answer
    x = 13,289.21

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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.