Home / 15,765.16-23,651.20-4,672.72

Finding the Fourth Proportional to 15,765.16, 23,651.20 and 4,672.72

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Solution

The fourth proportional to 15,765.16, 23,651.20 and 4,672.72 is: 7,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765.16 : 23,651.20 = 4,672.72 : x
  2. Step 2: Convert to fraction form
    15,765.16/23,651.20 = 4,672.72/x
  3. Step 3: Cross multiply
    15,765.16x = 23,651.20 × 4,672.72
  4. Step 4: Simplify right side
    15,765.16x = 110,515,364.45
  5. Step 5: Solve for x
    x = 110,515,364.45/15,765.16
  6. Step 6: Final answer
    x = 7,010.10

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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.