Home / 19,761.37-27,271.45-11,264.83

Finding the Fourth Proportional to 19,761.37, 27,271.45 and 11,264.83

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Solution

The fourth proportional to 19,761.37, 27,271.45 and 11,264.83 is: 15,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761.37 : 27,271.45 = 11,264.83 : x
  2. Step 2: Convert to fraction form
    19,761.37/27,271.45 = 11,264.83/x
  3. Step 3: Cross multiply
    19,761.37x = 27,271.45 × 11,264.83
  4. Step 4: Simplify right side
    19,761.37x = 307,208,219.94
  5. Step 5: Solve for x
    x = 307,208,219.94/19,761.37
  6. Step 6: Final answer
    x = 15,545.90

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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.