Home / 19,603.35-27,050.66-11,103.77

Finding the Fourth Proportional to 19,603.35, 27,050.66 and 11,103.77

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Solution

The fourth proportional to 19,603.35, 27,050.66 and 11,103.77 is: 15,322.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.35 : 27,050.66 = 11,103.77 : x
  2. Step 2: Convert to fraction form
    19,603.35/27,050.66 = 11,103.77/x
  3. Step 3: Cross multiply
    19,603.35x = 27,050.66 × 11,103.77
  4. Step 4: Simplify right side
    19,603.35x = 300,364,306.99
  5. Step 5: Solve for x
    x = 300,364,306.99/19,603.35
  6. Step 6: Final answer
    x = 15,322.09

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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.