Home / 13,741.38-18,962.34-7,774.24

Finding the Fourth Proportional to 13,741.38, 18,962.34 and 7,774.24

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Solution

The fourth proportional to 13,741.38, 18,962.34 and 7,774.24 is: 10,728.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.38 : 18,962.34 = 7,774.24 : x
  2. Step 2: Convert to fraction form
    13,741.38/18,962.34 = 7,774.24/x
  3. Step 3: Cross multiply
    13,741.38x = 18,962.34 × 7,774.24
  4. Step 4: Simplify right side
    13,741.38x = 147,417,782.12
  5. Step 5: Solve for x
    x = 147,417,782.12/13,741.38
  6. Step 6: Final answer
    x = 10,728.02

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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.