Home / 19,580.23-29,374.05-6,436.36

Finding the Fourth Proportional to 19,580.23, 29,374.05 and 6,436.36

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Solution

The fourth proportional to 19,580.23, 29,374.05 and 6,436.36 is: 9,655.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.23 : 29,374.05 = 6,436.36 : x
  2. Step 2: Convert to fraction form
    19,580.23/29,374.05 = 6,436.36/x
  3. Step 3: Cross multiply
    19,580.23x = 29,374.05 × 6,436.36
  4. Step 4: Simplify right side
    19,580.23x = 189,061,960.46
  5. Step 5: Solve for x
    x = 189,061,960.46/19,580.23
  6. Step 6: Final answer
    x = 9,655.76

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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.