Home / 19,305.12-28,908.66-16,176.90

Finding the Fourth Proportional to 19,305.12, 28,908.66 and 16,176.90

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Solution

The fourth proportional to 19,305.12, 28,908.66 and 16,176.90 is: 24,224.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305.12 : 28,908.66 = 16,176.90 : x
  2. Step 2: Convert to fraction form
    19,305.12/28,908.66 = 16,176.90/x
  3. Step 3: Cross multiply
    19,305.12x = 28,908.66 × 16,176.90
  4. Step 4: Simplify right side
    19,305.12x = 467,652,501.95
  5. Step 5: Solve for x
    x = 467,652,501.95/19,305.12
  6. Step 6: Final answer
    x = 24,224.27

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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.