Home / 20,488.52-30,729.36-5,698.94

Finding the Fourth Proportional to 20,488.52, 30,729.36 and 5,698.94

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Solution

The fourth proportional to 20,488.52, 30,729.36 and 5,698.94 is: 8,547.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,488.52 : 30,729.36 = 5,698.94 : x
  2. Step 2: Convert to fraction form
    20,488.52/30,729.36 = 5,698.94/x
  3. Step 3: Cross multiply
    20,488.52x = 30,729.36 × 5,698.94
  4. Step 4: Simplify right side
    20,488.52x = 175,124,778.88
  5. Step 5: Solve for x
    x = 175,124,778.88/20,488.52
  6. Step 6: Final answer
    x = 8,547.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.