Home / 15,765.12-23,646.87-4,078.04

Finding the Fourth Proportional to 15,765.12, 23,646.87 and 4,078.04

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Solution

The fourth proportional to 15,765.12, 23,646.87 and 4,078.04 is: 6,116.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765.12 : 23,646.87 = 4,078.04 : x
  2. Step 2: Convert to fraction form
    15,765.12/23,646.87 = 4,078.04/x
  3. Step 3: Cross multiply
    15,765.12x = 23,646.87 × 4,078.04
  4. Step 4: Simplify right side
    15,765.12x = 96,432,763.50
  5. Step 5: Solve for x
    x = 96,432,763.50/15,765.12
  6. Step 6: Final answer
    x = 6,116.84

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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.