Home / 19,235.12-28,849.78-6,085.78

Finding the Fourth Proportional to 19,235.12, 28,849.78 and 6,085.78

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Solution

The fourth proportional to 19,235.12, 28,849.78 and 6,085.78 is: 9,127.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,235.12 : 28,849.78 = 6,085.78 : x
  2. Step 2: Convert to fraction form
    19,235.12/28,849.78 = 6,085.78/x
  3. Step 3: Cross multiply
    19,235.12x = 28,849.78 × 6,085.78
  4. Step 4: Simplify right side
    19,235.12x = 175,573,269.88
  5. Step 5: Solve for x
    x = 175,573,269.88/19,235.12
  6. Step 6: Final answer
    x = 9,127.75

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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.