Home / 13,800.24-19,038.00-8,132.27

Finding the Fourth Proportional to 13,800.24, 19,038.00 and 8,132.27

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Solution

The fourth proportional to 13,800.24, 19,038.00 and 8,132.27 is: 11,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800.24 : 19,038.00 = 8,132.27 : x
  2. Step 2: Convert to fraction form
    13,800.24/19,038.00 = 8,132.27/x
  3. Step 3: Cross multiply
    13,800.24x = 19,038.00 × 8,132.27
  4. Step 4: Simplify right side
    13,800.24x = 154,822,091.57
  5. Step 5: Solve for x
    x = 154,822,091.57/13,800.24
  6. Step 6: Final answer
    x = 11,218.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.