Home / 19,425.12-29,140.92-6,275.94

Finding the Fourth Proportional to 19,425.12, 29,140.92 and 6,275.94

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Solution

The fourth proportional to 19,425.12, 29,140.92 and 6,275.94 is: 9,414.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.12 : 29,140.92 = 6,275.94 : x
  2. Step 2: Convert to fraction form
    19,425.12/29,140.92 = 6,275.94/x
  3. Step 3: Cross multiply
    19,425.12x = 29,140.92 × 6,275.94
  4. Step 4: Simplify right side
    19,425.12x = 182,886,665.46
  5. Step 5: Solve for x
    x = 182,886,665.46/19,425.12
  6. Step 6: Final answer
    x = 9,414.96

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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.