Home / 28,443.87-42,656.58-11,794.95

Finding the Fourth Proportional to 28,443.87, 42,656.58 and 11,794.95

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Solution

The fourth proportional to 28,443.87, 42,656.58 and 11,794.95 is: 17,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,443.87 : 42,656.58 = 11,794.95 : x
  2. Step 2: Convert to fraction form
    28,443.87/42,656.58 = 11,794.95/x
  3. Step 3: Cross multiply
    28,443.87x = 42,656.58 × 11,794.95
  4. Step 4: Simplify right side
    28,443.87x = 503,132,228.27
  5. Step 5: Solve for x
    x = 503,132,228.27/28,443.87
  6. Step 6: Final answer
    x = 17,688.60

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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.