Home / 30,143.40-41,598.33-16,532.73

Finding the Fourth Proportional to 30,143.40, 41,598.33 and 16,532.73

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Solution

The fourth proportional to 30,143.40, 41,598.33 and 16,532.73 is: 22,815.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,143.40 : 41,598.33 = 16,532.73 : x
  2. Step 2: Convert to fraction form
    30,143.40/41,598.33 = 16,532.73/x
  3. Step 3: Cross multiply
    30,143.40x = 41,598.33 × 16,532.73
  4. Step 4: Simplify right side
    30,143.40x = 687,733,958.34
  5. Step 5: Solve for x
    x = 687,733,958.34/30,143.40
  6. Step 6: Final answer
    x = 22,815.41

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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.