Home / 15,380.46-23,070.72-4,851.47

Finding the Fourth Proportional to 15,380.46, 23,070.72 and 4,851.47

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Solution

The fourth proportional to 15,380.46, 23,070.72 and 4,851.47 is: 7,277.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,380.46 : 23,070.72 = 4,851.47 : x
  2. Step 2: Convert to fraction form
    15,380.46/23,070.72 = 4,851.47/x
  3. Step 3: Cross multiply
    15,380.46x = 23,070.72 × 4,851.47
  4. Step 4: Simplify right side
    15,380.46x = 111,926,790.60
  5. Step 5: Solve for x
    x = 111,926,790.60/15,380.46
  6. Step 6: Final answer
    x = 7,277.21

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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.