Home / 25,929.11-38,893.41-11,885.15

Finding the Fourth Proportional to 25,929.11, 38,893.41 and 11,885.15

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Solution

The fourth proportional to 25,929.11, 38,893.41 and 11,885.15 is: 17,827.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,929.11 : 38,893.41 = 11,885.15 : x
  2. Step 2: Convert to fraction form
    25,929.11/38,893.41 = 11,885.15/x
  3. Step 3: Cross multiply
    25,929.11x = 38,893.41 × 11,885.15
  4. Step 4: Simplify right side
    25,929.11x = 462,254,011.86
  5. Step 5: Solve for x
    x = 462,254,011.86/25,929.11
  6. Step 6: Final answer
    x = 17,827.61

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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.