Home / 19,703.28-29,541.96-8,013.36

Finding the Fourth Proportional to 19,703.28, 29,541.96 and 8,013.36

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Solution

The fourth proportional to 19,703.28, 29,541.96 and 8,013.36 is: 12,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,703.28 : 29,541.96 = 8,013.36 : x
  2. Step 2: Convert to fraction form
    19,703.28/29,541.96 = 8,013.36/x
  3. Step 3: Cross multiply
    19,703.28x = 29,541.96 × 8,013.36
  4. Step 4: Simplify right side
    19,703.28x = 236,730,360.59
  5. Step 5: Solve for x
    x = 236,730,360.59/19,703.28
  6. Step 6: Final answer
    x = 12,014.77

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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.