Home / 12,433.91-18,615.99-9,328.37

Finding the Fourth Proportional to 12,433.91, 18,615.99 and 9,328.37

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Solution

The fourth proportional to 12,433.91, 18,615.99 and 9,328.37 is: 13,966.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.91 : 18,615.99 = 9,328.37 : x
  2. Step 2: Convert to fraction form
    12,433.91/18,615.99 = 9,328.37/x
  3. Step 3: Cross multiply
    12,433.91x = 18,615.99 × 9,328.37
  4. Step 4: Simplify right side
    12,433.91x = 173,656,842.64
  5. Step 5: Solve for x
    x = 173,656,842.64/12,433.91
  6. Step 6: Final answer
    x = 13,966.39

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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.