Home / 19,629.68-29,429.03-9,763.58

Finding the Fourth Proportional to 19,629.68, 29,429.03 and 9,763.58

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Solution

The fourth proportional to 19,629.68, 29,429.03 and 9,763.58 is: 14,637.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.68 : 29,429.03 = 9,763.58 : x
  2. Step 2: Convert to fraction form
    19,629.68/29,429.03 = 9,763.58/x
  3. Step 3: Cross multiply
    19,629.68x = 29,429.03 × 9,763.58
  4. Step 4: Simplify right side
    19,629.68x = 287,332,676.35
  5. Step 5: Solve for x
    x = 287,332,676.35/19,629.68
  6. Step 6: Final answer
    x = 14,637.66

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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.