Home / 21,448.92-29,599.64-12,017.44

Finding the Fourth Proportional to 21,448.92, 29,599.64 and 12,017.44

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Solution

The fourth proportional to 21,448.92, 29,599.64 and 12,017.44 is: 16,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448.92 : 29,599.64 = 12,017.44 : x
  2. Step 2: Convert to fraction form
    21,448.92/29,599.64 = 12,017.44/x
  3. Step 3: Cross multiply
    21,448.92x = 29,599.64 × 12,017.44
  4. Step 4: Simplify right side
    21,448.92x = 355,711,897.72
  5. Step 5: Solve for x
    x = 355,711,897.72/21,448.92
  6. Step 6: Final answer
    x = 16,584.14

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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.