Home / 18,872.94-28,308.76-4,833.08

Finding the Fourth Proportional to 18,872.94, 28,308.76 and 4,833.08

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Solution

The fourth proportional to 18,872.94, 28,308.76 and 4,833.08 is: 7,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,872.94 : 28,308.76 = 4,833.08 : x
  2. Step 2: Convert to fraction form
    18,872.94/28,308.76 = 4,833.08/x
  3. Step 3: Cross multiply
    18,872.94x = 28,308.76 × 4,833.08
  4. Step 4: Simplify right side
    18,872.94x = 136,818,501.78
  5. Step 5: Solve for x
    x = 136,818,501.78/18,872.94
  6. Step 6: Final answer
    x = 7,249.45

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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.