Home / 14,064.08-19,410.36-8,474

Finding the Fourth Proportional to 14,064.08, 19,410.36 and 8,474

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Solution

The fourth proportional to 14,064.08, 19,410.36 and 8,474 is: 11,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.08 : 19,410.36 = 8,474 : x
  2. Step 2: Convert to fraction form
    14,064.08/19,410.36 = 8,474/x
  3. Step 3: Cross multiply
    14,064.08x = 19,410.36 × 8,474
  4. Step 4: Simplify right side
    14,064.08x = 164,483,390.64
  5. Step 5: Solve for x
    x = 164,483,390.64/14,064.08
  6. Step 6: Final answer
    x = 11,695.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.