Home / 23,709.99-32,720.12-13,099.86

Finding the Fourth Proportional to 23,709.99, 32,720.12 and 13,099.86

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Solution

The fourth proportional to 23,709.99, 32,720.12 and 13,099.86 is: 18,077.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,709.99 : 32,720.12 = 13,099.86 : x
  2. Step 2: Convert to fraction form
    23,709.99/32,720.12 = 13,099.86/x
  3. Step 3: Cross multiply
    23,709.99x = 32,720.12 × 13,099.86
  4. Step 4: Simplify right side
    23,709.99x = 428,628,991.18
  5. Step 5: Solve for x
    x = 428,628,991.18/23,709.99
  6. Step 6: Final answer
    x = 18,077.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.