Home / 39,599.44-59,408.34-11,520.16

Finding the Fourth Proportional to 39,599.44, 59,408.34 and 11,520.16

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Solution

The fourth proportional to 39,599.44, 59,408.34 and 11,520.16 is: 17,282.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,599.44 : 59,408.34 = 11,520.16 : x
  2. Step 2: Convert to fraction form
    39,599.44/59,408.34 = 11,520.16/x
  3. Step 3: Cross multiply
    39,599.44x = 59,408.34 × 11,520.16
  4. Step 4: Simplify right side
    39,599.44x = 684,393,582.13
  5. Step 5: Solve for x
    x = 684,393,582.13/39,599.44
  6. Step 6: Final answer
    x = 17,282.91

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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.