Home / 19,117.10-28,618.05-16,813.10

Finding the Fourth Proportional to 19,117.10, 28,618.05 and 16,813.10

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Solution

The fourth proportional to 19,117.10, 28,618.05 and 16,813.10 is: 25,168.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117.10 : 28,618.05 = 16,813.10 : x
  2. Step 2: Convert to fraction form
    19,117.10/28,618.05 = 16,813.10/x
  3. Step 3: Cross multiply
    19,117.10x = 28,618.05 × 16,813.10
  4. Step 4: Simplify right side
    19,117.10x = 481,158,136.46
  5. Step 5: Solve for x
    x = 481,158,136.46/19,117.10
  6. Step 6: Final answer
    x = 25,168.99

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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.