Home / 25,345.32-38,014.74-10,551.48

Finding the Fourth Proportional to 25,345.32, 38,014.74 and 10,551.48

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Solution

The fourth proportional to 25,345.32, 38,014.74 and 10,551.48 is: 15,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.32 : 38,014.74 = 10,551.48 : x
  2. Step 2: Convert to fraction form
    25,345.32/38,014.74 = 10,551.48/x
  3. Step 3: Cross multiply
    25,345.32x = 38,014.74 × 10,551.48
  4. Step 4: Simplify right side
    25,345.32x = 401,111,768.82
  5. Step 5: Solve for x
    x = 401,111,768.82/25,345.32
  6. Step 6: Final answer
    x = 15,825.87

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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.