Home / 13,214.91-18,236.58-7,246.83

Finding the Fourth Proportional to 13,214.91, 18,236.58 and 7,246.83

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Solution

The fourth proportional to 13,214.91, 18,236.58 and 7,246.83 is: 10,000.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.91 : 18,236.58 = 7,246.83 : x
  2. Step 2: Convert to fraction form
    13,214.91/18,236.58 = 7,246.83/x
  3. Step 3: Cross multiply
    13,214.91x = 18,236.58 × 7,246.83
  4. Step 4: Simplify right side
    13,214.91x = 132,157,395.04
  5. Step 5: Solve for x
    x = 132,157,395.04/13,214.91
  6. Step 6: Final answer
    x = 10,000.63

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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.