Home / 13,351.90-18,432.57-12,468.46

Finding the Fourth Proportional to 13,351.90, 18,432.57 and 12,468.46

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Solution

The fourth proportional to 13,351.90, 18,432.57 and 12,468.46 is: 17,212.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.90 : 18,432.57 = 12,468.46 : x
  2. Step 2: Convert to fraction form
    13,351.90/18,432.57 = 12,468.46/x
  3. Step 3: Cross multiply
    13,351.90x = 18,432.57 × 12,468.46
  4. Step 4: Simplify right side
    13,351.90x = 229,825,762.42
  5. Step 5: Solve for x
    x = 229,825,762.42/13,351.90
  6. Step 6: Final answer
    x = 17,212.97

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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.