Home / 18,466.08-27,716.12-12,898.92

Finding the Fourth Proportional to 18,466.08, 27,716.12 and 12,898.92

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Solution

The fourth proportional to 18,466.08, 27,716.12 and 12,898.92 is: 19,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.08 : 27,716.12 = 12,898.92 : x
  2. Step 2: Convert to fraction form
    18,466.08/27,716.12 = 12,898.92/x
  3. Step 3: Cross multiply
    18,466.08x = 27,716.12 × 12,898.92
  4. Step 4: Simplify right side
    18,466.08x = 357,508,014.59
  5. Step 5: Solve for x
    x = 357,508,014.59/18,466.08
  6. Step 6: Final answer
    x = 19,360.25

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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.