Home / 16,300.40-24,436.20-9,719.60

Finding the Fourth Proportional to 16,300.40, 24,436.20 and 9,719.60

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Solution

The fourth proportional to 16,300.40, 24,436.20 and 9,719.60 is: 14,570.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,300.40 : 24,436.20 = 9,719.60 : x
  2. Step 2: Convert to fraction form
    16,300.40/24,436.20 = 9,719.60/x
  3. Step 3: Cross multiply
    16,300.40x = 24,436.20 × 9,719.60
  4. Step 4: Simplify right side
    16,300.40x = 237,510,089.52
  5. Step 5: Solve for x
    x = 237,510,089.52/16,300.40
  6. Step 6: Final answer
    x = 14,570.81

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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.