Home / 15,375.56-23,066.58-4,986.50

Finding the Fourth Proportional to 15,375.56, 23,066.58 and 4,986.50

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Solution

The fourth proportional to 15,375.56, 23,066.58 and 4,986.50 is: 7,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,375.56 : 23,066.58 = 4,986.50 : x
  2. Step 2: Convert to fraction form
    15,375.56/23,066.58 = 4,986.50/x
  3. Step 3: Cross multiply
    15,375.56x = 23,066.58 × 4,986.50
  4. Step 4: Simplify right side
    15,375.56x = 115,021,501.17
  5. Step 5: Solve for x
    x = 115,021,501.17/15,375.56
  6. Step 6: Final answer
    x = 7,480.80

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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.