Home / 13,941.62-19,236.60-7,975.30

Finding the Fourth Proportional to 13,941.62, 19,236.60 and 7,975.30

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Solution

The fourth proportional to 13,941.62, 19,236.60 and 7,975.30 is: 11,004.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.62 : 19,236.60 = 7,975.30 : x
  2. Step 2: Convert to fraction form
    13,941.62/19,236.60 = 7,975.30/x
  3. Step 3: Cross multiply
    13,941.62x = 19,236.60 × 7,975.30
  4. Step 4: Simplify right side
    13,941.62x = 153,417,607.89
  5. Step 5: Solve for x
    x = 153,417,607.89/13,941.62
  6. Step 6: Final answer
    x = 11,004.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.