Home / 19,000.20-28,433.10-16,561.80

Finding the Fourth Proportional to 19,000.20, 28,433.10 and 16,561.80

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Solution

The fourth proportional to 19,000.20, 28,433.10 and 16,561.80 is: 24,784.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.20 : 28,433.10 = 16,561.80 : x
  2. Step 2: Convert to fraction form
    19,000.20/28,433.10 = 16,561.80/x
  3. Step 3: Cross multiply
    19,000.20x = 28,433.10 × 16,561.80
  4. Step 4: Simplify right side
    19,000.20x = 470,903,315.58
  5. Step 5: Solve for x
    x = 470,903,315.58/19,000.20
  6. Step 6: Final answer
    x = 24,784.12

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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.