Home / 28,594.08-42,885.90-11,949.66

Finding the Fourth Proportional to 28,594.08, 42,885.90 and 11,949.66

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Solution

The fourth proportional to 28,594.08, 42,885.90 and 11,949.66 is: 17,922.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,594.08 : 42,885.90 = 11,949.66 : x
  2. Step 2: Convert to fraction form
    28,594.08/42,885.90 = 11,949.66/x
  3. Step 3: Cross multiply
    28,594.08x = 42,885.90 × 11,949.66
  4. Step 4: Simplify right side
    28,594.08x = 512,471,923.79
  5. Step 5: Solve for x
    x = 512,471,923.79/28,594.08
  6. Step 6: Final answer
    x = 17,922.31

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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.