Home / 16,518.10-24,780.99-4,831.54

Finding the Fourth Proportional to 16,518.10, 24,780.99 and 4,831.54

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Solution

The fourth proportional to 16,518.10, 24,780.99 and 4,831.54 is: 7,248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,518.10 : 24,780.99 = 4,831.54 : x
  2. Step 2: Convert to fraction form
    16,518.10/24,780.99 = 4,831.54/x
  3. Step 3: Cross multiply
    16,518.10x = 24,780.99 × 4,831.54
  4. Step 4: Simplify right side
    16,518.10x = 119,730,344.42
  5. Step 5: Solve for x
    x = 119,730,344.42/16,518.10
  6. Step 6: Final answer
    x = 7,248.43

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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.