Home / 25,426.86-38,147.76-11,383.77

Finding the Fourth Proportional to 25,426.86, 38,147.76 and 11,383.77

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Solution

The fourth proportional to 25,426.86, 38,147.76 and 11,383.77 is: 17,079.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,426.86 : 38,147.76 = 11,383.77 : x
  2. Step 2: Convert to fraction form
    25,426.86/38,147.76 = 11,383.77/x
  3. Step 3: Cross multiply
    25,426.86x = 38,147.76 × 11,383.77
  4. Step 4: Simplify right side
    25,426.86x = 434,265,325.86
  5. Step 5: Solve for x
    x = 434,265,325.86/25,426.86
  6. Step 6: Final answer
    x = 17,079.00

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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.