Home / 20,795.06-31,203.02-9,702.62

Finding the Fourth Proportional to 20,795.06, 31,203.02 and 9,702.62

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Solution

The fourth proportional to 20,795.06, 31,203.02 and 9,702.62 is: 14,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,795.06 : 31,203.02 = 9,702.62 : x
  2. Step 2: Convert to fraction form
    20,795.06/31,203.02 = 9,702.62/x
  3. Step 3: Cross multiply
    20,795.06x = 31,203.02 × 9,702.62
  4. Step 4: Simplify right side
    20,795.06x = 302,751,045.91
  5. Step 5: Solve for x
    x = 302,751,045.91/20,795.06
  6. Step 6: Final answer
    x = 14,558.80

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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.