Home / 14,078.73-21,145.43-10,366.30

Finding the Fourth Proportional to 14,078.73, 21,145.43 and 10,366.30

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Solution

The fourth proportional to 14,078.73, 21,145.43 and 10,366.30 is: 15,569.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078.73 : 21,145.43 = 10,366.30 : x
  2. Step 2: Convert to fraction form
    14,078.73/21,145.43 = 10,366.30/x
  3. Step 3: Cross multiply
    14,078.73x = 21,145.43 × 10,366.30
  4. Step 4: Simplify right side
    14,078.73x = 219,199,844.06
  5. Step 5: Solve for x
    x = 219,199,844.06/14,078.73
  6. Step 6: Final answer
    x = 15,569.58

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1.5x scale

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.