Home / 13,904.51-20,860.18-4,043.87

Finding the Fourth Proportional to 13,904.51, 20,860.18 and 4,043.87

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Solution

The fourth proportional to 13,904.51, 20,860.18 and 4,043.87 is: 6,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.51 : 20,860.18 = 4,043.87 : x
  2. Step 2: Convert to fraction form
    13,904.51/20,860.18 = 4,043.87/x
  3. Step 3: Cross multiply
    13,904.51x = 20,860.18 × 4,043.87
  4. Step 4: Simplify right side
    13,904.51x = 84,355,835.88
  5. Step 5: Solve for x
    x = 84,355,835.88/13,904.51
  6. Step 6: Final answer
    x = 6,066.80

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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.