Home / 19,425.83-29,133.27-5,382.45

Finding the Fourth Proportional to 19,425.83, 29,133.27 and 5,382.45

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Solution

The fourth proportional to 19,425.83, 29,133.27 and 5,382.45 is: 8,072.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.83 : 29,133.27 = 5,382.45 : x
  2. Step 2: Convert to fraction form
    19,425.83/29,133.27 = 5,382.45/x
  3. Step 3: Cross multiply
    19,425.83x = 29,133.27 × 5,382.45
  4. Step 4: Simplify right side
    19,425.83x = 156,808,369.11
  5. Step 5: Solve for x
    x = 156,808,369.11/19,425.83
  6. Step 6: Final answer
    x = 8,072.16

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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.