Home / 15,903.54-23,857.20-4,216.86

Finding the Fourth Proportional to 15,903.54, 23,857.20 and 4,216.86

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Solution

The fourth proportional to 15,903.54, 23,857.20 and 4,216.86 is: 6,325.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,903.54 : 23,857.20 = 4,216.86 : x
  2. Step 2: Convert to fraction form
    15,903.54/23,857.20 = 4,216.86/x
  3. Step 3: Cross multiply
    15,903.54x = 23,857.20 × 4,216.86
  4. Step 4: Simplify right side
    15,903.54x = 100,602,472.39
  5. Step 5: Solve for x
    x = 100,602,472.39/15,903.54
  6. Step 6: Final answer
    x = 6,325.79

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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.