Home / 15,767.04-21,735.92-12,404.03

Finding the Fourth Proportional to 15,767.04, 21,735.92 and 12,404.03

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Solution

The fourth proportional to 15,767.04, 21,735.92 and 12,404.03 is: 17,099.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,767.04 : 21,735.92 = 12,404.03 : x
  2. Step 2: Convert to fraction form
    15,767.04/21,735.92 = 12,404.03/x
  3. Step 3: Cross multiply
    15,767.04x = 21,735.92 × 12,404.03
  4. Step 4: Simplify right side
    15,767.04x = 269,612,833.06
  5. Step 5: Solve for x
    x = 269,612,833.06/15,767.04
  6. Step 6: Final answer
    x = 17,099.77

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1.5x scale

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.