Home / 16,556.40-24,835.20-4,870.80

Finding the Fourth Proportional to 16,556.40, 24,835.20 and 4,870.80

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Solution

The fourth proportional to 16,556.40, 24,835.20 and 4,870.80 is: 7,306.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,556.40 : 24,835.20 = 4,870.80 : x
  2. Step 2: Convert to fraction form
    16,556.40/24,835.20 = 4,870.80/x
  3. Step 3: Cross multiply
    16,556.40x = 24,835.20 × 4,870.80
  4. Step 4: Simplify right side
    16,556.40x = 120,967,292.16
  5. Step 5: Solve for x
    x = 120,967,292.16/16,556.40
  6. Step 6: Final answer
    x = 7,306.38

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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.