Home / 19,320.54-26,658.50-11,761.83

Finding the Fourth Proportional to 19,320.54, 26,658.50 and 11,761.83

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Solution

The fourth proportional to 19,320.54, 26,658.50 and 11,761.83 is: 16,228.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320.54 : 26,658.50 = 11,761.83 : x
  2. Step 2: Convert to fraction form
    19,320.54/26,658.50 = 11,761.83/x
  3. Step 3: Cross multiply
    19,320.54x = 26,658.50 × 11,761.83
  4. Step 4: Simplify right side
    19,320.54x = 313,552,686.25
  5. Step 5: Solve for x
    x = 313,552,686.25/19,320.54
  6. Step 6: Final answer
    x = 16,228.98

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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.