Home / 25,826.76-38,733.03-7,102.40

Finding the Fourth Proportional to 25,826.76, 38,733.03 and 7,102.40

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Solution

The fourth proportional to 25,826.76, 38,733.03 and 7,102.40 is: 10,651.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,826.76 : 38,733.03 = 7,102.40 : x
  2. Step 2: Convert to fraction form
    25,826.76/38,733.03 = 7,102.40/x
  3. Step 3: Cross multiply
    25,826.76x = 38,733.03 × 7,102.40
  4. Step 4: Simplify right side
    25,826.76x = 275,097,278.61
  5. Step 5: Solve for x
    x = 275,097,278.61/25,826.76
  6. Step 6: Final answer
    x = 10,651.64

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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.