Home / 19,572.11-29,362.41-6,423.98

Finding the Fourth Proportional to 19,572.11, 29,362.41 and 6,423.98

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Solution

The fourth proportional to 19,572.11, 29,362.41 and 6,423.98 is: 9,637.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.11 : 29,362.41 = 6,423.98 : x
  2. Step 2: Convert to fraction form
    19,572.11/29,362.41 = 6,423.98/x
  3. Step 3: Cross multiply
    19,572.11x = 29,362.41 × 6,423.98
  4. Step 4: Simplify right side
    19,572.11x = 188,623,387.78
  5. Step 5: Solve for x
    x = 188,623,387.78/19,572.11
  6. Step 6: Final answer
    x = 9,637.36

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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.