Home / 25,345.27-38,028.63-13,644.82

Finding the Fourth Proportional to 25,345.27, 38,028.63 and 13,644.82

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Solution

The fourth proportional to 25,345.27, 38,028.63 and 13,644.82 is: 20,473.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.27 : 38,028.63 = 13,644.82 : x
  2. Step 2: Convert to fraction form
    25,345.27/38,028.63 = 13,644.82/x
  3. Step 3: Cross multiply
    25,345.27x = 38,028.63 × 13,644.82
  4. Step 4: Simplify right side
    25,345.27x = 518,893,811.20
  5. Step 5: Solve for x
    x = 518,893,811.20/25,345.27
  6. Step 6: Final answer
    x = 20,473.00

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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.