Home / 16,628.48-22,948.92-12,429.44

Finding the Fourth Proportional to 16,628.48, 22,948.92 and 12,429.44

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Solution

The fourth proportional to 16,628.48, 22,948.92 and 12,429.44 is: 17,153.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,628.48 : 22,948.92 = 12,429.44 : x
  2. Step 2: Convert to fraction form
    16,628.48/22,948.92 = 12,429.44/x
  3. Step 3: Cross multiply
    16,628.48x = 22,948.92 × 12,429.44
  4. Step 4: Simplify right side
    16,628.48x = 285,242,224.20
  5. Step 5: Solve for x
    x = 285,242,224.20/16,628.48
  6. Step 6: Final answer
    x = 17,153.84

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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.