Home / 20,797.06-31,206.02-9,704.62

Finding the Fourth Proportional to 20,797.06, 31,206.02 and 9,704.62

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Solution

The fourth proportional to 20,797.06, 31,206.02 and 9,704.62 is: 14,561.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,797.06 : 31,206.02 = 9,704.62 : x
  2. Step 2: Convert to fraction form
    20,797.06/31,206.02 = 9,704.62/x
  3. Step 3: Cross multiply
    20,797.06x = 31,206.02 × 9,704.62
  4. Step 4: Simplify right side
    20,797.06x = 302,842,565.81
  5. Step 5: Solve for x
    x = 302,842,565.81/20,797.06
  6. Step 6: Final answer
    x = 14,561.80

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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.