Home / 16,823.80-25,235.47-5,137.08

Finding the Fourth Proportional to 16,823.80, 25,235.47 and 5,137.08

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Solution

The fourth proportional to 16,823.80, 25,235.47 and 5,137.08 is: 7,705.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,823.80 : 25,235.47 = 5,137.08 : x
  2. Step 2: Convert to fraction form
    16,823.80/25,235.47 = 5,137.08/x
  3. Step 3: Cross multiply
    16,823.80x = 25,235.47 × 5,137.08
  4. Step 4: Simplify right side
    16,823.80x = 129,636,628.23
  5. Step 5: Solve for x
    x = 129,636,628.23/16,823.80
  6. Step 6: Final answer
    x = 7,705.55

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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.