Home / 13,596.40-20,402.03-5,276.75

Finding the Fourth Proportional to 13,596.40, 20,402.03 and 5,276.75

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Solution

The fourth proportional to 13,596.40, 20,402.03 and 5,276.75 is: 7,918.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.40 : 20,402.03 = 5,276.75 : x
  2. Step 2: Convert to fraction form
    13,596.40/20,402.03 = 5,276.75/x
  3. Step 3: Cross multiply
    13,596.40x = 20,402.03 × 5,276.75
  4. Step 4: Simplify right side
    13,596.40x = 107,656,411.80
  5. Step 5: Solve for x
    x = 107,656,411.80/13,596.40
  6. Step 6: Final answer
    x = 7,918.01

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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.