Home / 13,347.30-18,396.53-12,216.08

Finding the Fourth Proportional to 13,347.30, 18,396.53 and 12,216.08

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Solution

The fourth proportional to 13,347.30, 18,396.53 and 12,216.08 is: 16,837.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347.30 : 18,396.53 = 12,216.08 : x
  2. Step 2: Convert to fraction form
    13,347.30/18,396.53 = 12,216.08/x
  3. Step 3: Cross multiply
    13,347.30x = 18,396.53 × 12,216.08
  4. Step 4: Simplify right side
    13,347.30x = 224,733,558.73
  5. Step 5: Solve for x
    x = 224,733,558.73/13,347.30
  6. Step 6: Final answer
    x = 16,837.38

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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.