Home / 19,586.12-29,379-4,795.12

Finding the Fourth Proportional to 19,586.12, 29,379 and 4,795.12

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Solution

The fourth proportional to 19,586.12, 29,379 and 4,795.12 is: 7,192.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586.12 : 29,379 = 4,795.12 : x
  2. Step 2: Convert to fraction form
    19,586.12/29,379 = 4,795.12/x
  3. Step 3: Cross multiply
    19,586.12x = 29,379 × 4,795.12
  4. Step 4: Simplify right side
    19,586.12x = 140,875,830.48
  5. Step 5: Solve for x
    x = 140,875,830.48/19,586.12
  6. Step 6: Final answer
    x = 7,192.64

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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.