Home / 18,528.28-25,580.83-12,166.17

Finding the Fourth Proportional to 18,528.28, 25,580.83 and 12,166.17

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Solution

The fourth proportional to 18,528.28, 25,580.83 and 12,166.17 is: 16,797.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.28 : 25,580.83 = 12,166.17 : x
  2. Step 2: Convert to fraction form
    18,528.28/25,580.83 = 12,166.17/x
  3. Step 3: Cross multiply
    18,528.28x = 25,580.83 × 12,166.17
  4. Step 4: Simplify right side
    18,528.28x = 311,220,598.62
  5. Step 5: Solve for x
    x = 311,220,598.62/18,528.28
  6. Step 6: Final answer
    x = 16,797.06

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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.