Home / 13,209.64-19,822.20-4,895.44

Finding the Fourth Proportional to 13,209.64, 19,822.20 and 4,895.44

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Solution

The fourth proportional to 13,209.64, 19,822.20 and 4,895.44 is: 7,346.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209.64 : 19,822.20 = 4,895.44 : x
  2. Step 2: Convert to fraction form
    13,209.64/19,822.20 = 4,895.44/x
  3. Step 3: Cross multiply
    13,209.64x = 19,822.20 × 4,895.44
  4. Step 4: Simplify right side
    13,209.64x = 97,038,390.77
  5. Step 5: Solve for x
    x = 97,038,390.77/13,209.64
  6. Step 6: Final answer
    x = 7,346.03

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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.