Home / 28,093.53-42,140.15-11,453.50

Finding the Fourth Proportional to 28,093.53, 42,140.15 and 11,453.50

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Solution

The fourth proportional to 28,093.53, 42,140.15 and 11,453.50 is: 17,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,093.53 : 42,140.15 = 11,453.50 : x
  2. Step 2: Convert to fraction form
    28,093.53/42,140.15 = 11,453.50/x
  3. Step 3: Cross multiply
    28,093.53x = 42,140.15 × 11,453.50
  4. Step 4: Simplify right side
    28,093.53x = 482,652,246.38
  5. Step 5: Solve for x
    x = 482,652,246.38/28,093.53
  6. Step 6: Final answer
    x = 17,180.19

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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.