Home / 19,982.80-29,819.30-16,526.80

Finding the Fourth Proportional to 19,982.80, 29,819.30 and 16,526.80

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Solution

The fourth proportional to 19,982.80, 29,819.30 and 16,526.80 is: 24,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.80 : 29,819.30 = 16,526.80 : x
  2. Step 2: Convert to fraction form
    19,982.80/29,819.30 = 16,526.80/x
  3. Step 3: Cross multiply
    19,982.80x = 29,819.30 × 16,526.80
  4. Step 4: Simplify right side
    19,982.80x = 492,817,607.24
  5. Step 5: Solve for x
    x = 492,817,607.24/19,982.80
  6. Step 6: Final answer
    x = 24,662.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.