Home / 19,105.48-28,678.98-16,157.65

Finding the Fourth Proportional to 19,105.48, 28,678.98 and 16,157.65

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Solution

The fourth proportional to 19,105.48, 28,678.98 and 16,157.65 is: 24,254.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,105.48 : 28,678.98 = 16,157.65 : x
  2. Step 2: Convert to fraction form
    19,105.48/28,678.98 = 16,157.65/x
  3. Step 3: Cross multiply
    19,105.48x = 28,678.98 × 16,157.65
  4. Step 4: Simplify right side
    19,105.48x = 463,384,921.20
  5. Step 5: Solve for x
    x = 463,384,921.20/19,105.48
  6. Step 6: Final answer
    x = 24,254.03

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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.