Home / 19,425.94-29,134.57-7,580.02

Finding the Fourth Proportional to 19,425.94, 29,134.57 and 7,580.02

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Solution

The fourth proportional to 19,425.94, 29,134.57 and 7,580.02 is: 11,368.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.94 : 29,134.57 = 7,580.02 : x
  2. Step 2: Convert to fraction form
    19,425.94/29,134.57 = 7,580.02/x
  3. Step 3: Cross multiply
    19,425.94x = 29,134.57 × 7,580.02
  4. Step 4: Simplify right side
    19,425.94x = 220,840,623.29
  5. Step 5: Solve for x
    x = 220,840,623.29/19,425.94
  6. Step 6: Final answer
    x = 11,368.34

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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.