Home / 17,913.30-24,703.80-11,196.78

Finding the Fourth Proportional to 17,913.30, 24,703.80 and 11,196.78

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Solution

The fourth proportional to 17,913.30, 24,703.80 and 11,196.78 is: 15,441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,913.30 : 24,703.80 = 11,196.78 : x
  2. Step 2: Convert to fraction form
    17,913.30/24,703.80 = 11,196.78/x
  3. Step 3: Cross multiply
    17,913.30x = 24,703.80 × 11,196.78
  4. Step 4: Simplify right side
    17,913.30x = 276,603,013.76
  5. Step 5: Solve for x
    x = 276,603,013.76/17,913.30
  6. Step 6: Final answer
    x = 15,441.21

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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.