Home / 19,530.92-29,300.70-5,681

Finding the Fourth Proportional to 19,530.92, 29,300.70 and 5,681

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Solution

The fourth proportional to 19,530.92, 29,300.70 and 5,681 is: 8,522.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.92 : 29,300.70 = 5,681 : x
  2. Step 2: Convert to fraction form
    19,530.92/29,300.70 = 5,681/x
  3. Step 3: Cross multiply
    19,530.92x = 29,300.70 × 5,681
  4. Step 4: Simplify right side
    19,530.92x = 166,457,276.70
  5. Step 5: Solve for x
    x = 166,457,276.70/19,530.92
  6. Step 6: Final answer
    x = 8,522.76

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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.