Home / 19,932.58-29,898.11-4,939.74

Finding the Fourth Proportional to 19,932.58, 29,898.11 and 4,939.74

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Solution

The fourth proportional to 19,932.58, 29,898.11 and 4,939.74 is: 7,409.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.58 : 29,898.11 = 4,939.74 : x
  2. Step 2: Convert to fraction form
    19,932.58/29,898.11 = 4,939.74/x
  3. Step 3: Cross multiply
    19,932.58x = 29,898.11 × 4,939.74
  4. Step 4: Simplify right side
    19,932.58x = 147,688,827.50
  5. Step 5: Solve for x
    x = 147,688,827.50/19,932.58
  6. Step 6: Final answer
    x = 7,409.42

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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.