Home / 13,214.63-19,822.64-3,354.01

Finding the Fourth Proportional to 13,214.63, 19,822.64 and 3,354.01

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Solution

The fourth proportional to 13,214.63, 19,822.64 and 3,354.01 is: 5,031.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.63 : 19,822.64 = 3,354.01 : x
  2. Step 2: Convert to fraction form
    13,214.63/19,822.64 = 3,354.01/x
  3. Step 3: Cross multiply
    13,214.63x = 19,822.64 × 3,354.01
  4. Step 4: Simplify right side
    13,214.63x = 66,485,266.46
  5. Step 5: Solve for x
    x = 66,485,266.46/13,214.63
  6. Step 6: Final answer
    x = 5,031.19

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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.