Home / 33,688.13-50,525.12-9,995.90

Finding the Fourth Proportional to 33,688.13, 50,525.12 and 9,995.90

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Solution

The fourth proportional to 33,688.13, 50,525.12 and 9,995.90 is: 14,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,688.13 : 50,525.12 = 9,995.90 : x
  2. Step 2: Convert to fraction form
    33,688.13/50,525.12 = 9,995.90/x
  3. Step 3: Cross multiply
    33,688.13x = 50,525.12 × 9,995.90
  4. Step 4: Simplify right side
    33,688.13x = 505,043,744.40
  5. Step 5: Solve for x
    x = 505,043,744.40/33,688.13
  6. Step 6: Final answer
    x = 14,991.74

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Double scale
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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.