Home / 28,196.97-42,295.74-11,337.77

Finding the Fourth Proportional to 28,196.97, 42,295.74 and 11,337.77

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Solution

The fourth proportional to 28,196.97, 42,295.74 and 11,337.77 is: 17,006.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,196.97 : 42,295.74 = 11,337.77 : x
  2. Step 2: Convert to fraction form
    28,196.97/42,295.74 = 11,337.77/x
  3. Step 3: Cross multiply
    28,196.97x = 42,295.74 × 11,337.77
  4. Step 4: Simplify right side
    28,196.97x = 479,539,372.10
  5. Step 5: Solve for x
    x = 479,539,372.10/28,196.97
  6. Step 6: Final answer
    x = 17,006.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.