Home / 28,093.84-42,136.20-9,373.12

Finding the Fourth Proportional to 28,093.84, 42,136.20 and 9,373.12

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Solution

The fourth proportional to 28,093.84, 42,136.20 and 9,373.12 is: 14,058.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,093.84 : 42,136.20 = 9,373.12 : x
  2. Step 2: Convert to fraction form
    28,093.84/42,136.20 = 9,373.12/x
  3. Step 3: Cross multiply
    28,093.84x = 42,136.20 × 9,373.12
  4. Step 4: Simplify right side
    28,093.84x = 394,947,553.60
  5. Step 5: Solve for x
    x = 394,947,553.60/28,093.84
  6. Step 6: Final answer
    x = 14,058.16

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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.