Home / 23,049.28-31,795.20-15,104.32

Finding the Fourth Proportional to 23,049.28, 31,795.20 and 15,104.32

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Solution

The fourth proportional to 23,049.28, 31,795.20 and 15,104.32 is: 20,835.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,049.28 : 31,795.20 = 15,104.32 : x
  2. Step 2: Convert to fraction form
    23,049.28/31,795.20 = 15,104.32/x
  3. Step 3: Cross multiply
    23,049.28x = 31,795.20 × 15,104.32
  4. Step 4: Simplify right side
    23,049.28x = 480,244,875.26
  5. Step 5: Solve for x
    x = 480,244,875.26/23,049.28
  6. Step 6: Final answer
    x = 20,835.57

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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.