Home / 13,826.50-20,739.75-4,592.50

Finding the Fourth Proportional to 13,826.50, 20,739.75 and 4,592.50

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Solution

The fourth proportional to 13,826.50, 20,739.75 and 4,592.50 is: 6,888.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826.50 : 20,739.75 = 4,592.50 : x
  2. Step 2: Convert to fraction form
    13,826.50/20,739.75 = 4,592.50/x
  3. Step 3: Cross multiply
    13,826.50x = 20,739.75 × 4,592.50
  4. Step 4: Simplify right side
    13,826.50x = 95,247,301.88
  5. Step 5: Solve for x
    x = 95,247,301.88/13,826.50
  6. Step 6: Final answer
    x = 6,888.75

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1.5x scale

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.