Home / 13,145.64-19,795.48-9,473.30

Finding the Fourth Proportional to 13,145.64, 19,795.48 and 9,473.30

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Solution

The fourth proportional to 13,145.64, 19,795.48 and 9,473.30 is: 14,265.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145.64 : 19,795.48 = 9,473.30 : x
  2. Step 2: Convert to fraction form
    13,145.64/19,795.48 = 9,473.30/x
  3. Step 3: Cross multiply
    13,145.64x = 19,795.48 × 9,473.30
  4. Step 4: Simplify right side
    13,145.64x = 187,528,520.68
  5. Step 5: Solve for x
    x = 187,528,520.68/13,145.64
  6. Step 6: Final answer
    x = 14,265.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.