Home / 23,709.28-32,719.47-13,099.60

Finding the Fourth Proportional to 23,709.28, 32,719.47 and 13,099.60

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Solution

The fourth proportional to 23,709.28, 32,719.47 and 13,099.60 is: 18,077.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,709.28 : 32,719.47 = 13,099.60 : x
  2. Step 2: Convert to fraction form
    23,709.28/32,719.47 = 13,099.60/x
  3. Step 3: Cross multiply
    23,709.28x = 32,719.47 × 13,099.60
  4. Step 4: Simplify right side
    23,709.28x = 428,611,969.21
  5. Step 5: Solve for x
    x = 428,611,969.21/23,709.28
  6. Step 6: Final answer
    x = 18,077.81

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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.