Home / 25,368.42-38,054.52-7,838.14

Finding the Fourth Proportional to 25,368.42, 38,054.52 and 7,838.14

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Solution

The fourth proportional to 25,368.42, 38,054.52 and 7,838.14 is: 11,757.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,368.42 : 38,054.52 = 7,838.14 : x
  2. Step 2: Convert to fraction form
    25,368.42/38,054.52 = 7,838.14/x
  3. Step 3: Cross multiply
    25,368.42x = 38,054.52 × 7,838.14
  4. Step 4: Simplify right side
    25,368.42x = 298,276,655.39
  5. Step 5: Solve for x
    x = 298,276,655.39/25,368.42
  6. Step 6: Final answer
    x = 11,757.79

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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.