Home / 15,748.56-23,622.72-4,656

Finding the Fourth Proportional to 15,748.56, 23,622.72 and 4,656

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Solution

The fourth proportional to 15,748.56, 23,622.72 and 4,656 is: 6,983.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,748.56 : 23,622.72 = 4,656 : x
  2. Step 2: Convert to fraction form
    15,748.56/23,622.72 = 4,656/x
  3. Step 3: Cross multiply
    15,748.56x = 23,622.72 × 4,656
  4. Step 4: Simplify right side
    15,748.56x = 109,987,384.32
  5. Step 5: Solve for x
    x = 109,987,384.32/15,748.56
  6. Step 6: Final answer
    x = 6,983.96

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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.