Home / 18,216.84-25,150.87-14,867.66

Finding the Fourth Proportional to 18,216.84, 25,150.87 and 14,867.66

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Solution

The fourth proportional to 18,216.84, 25,150.87 and 14,867.66 is: 20,526.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.84 : 25,150.87 = 14,867.66 : x
  2. Step 2: Convert to fraction form
    18,216.84/25,150.87 = 14,867.66/x
  3. Step 3: Cross multiply
    18,216.84x = 25,150.87 × 14,867.66
  4. Step 4: Simplify right side
    18,216.84x = 373,934,583.86
  5. Step 5: Solve for x
    x = 373,934,583.86/18,216.84
  6. Step 6: Final answer
    x = 20,526.86

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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.