Home / 21,546.08-29,733.66-12,114.03

Finding the Fourth Proportional to 21,546.08, 29,733.66 and 12,114.03

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Solution

The fourth proportional to 21,546.08, 29,733.66 and 12,114.03 is: 16,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546.08 : 29,733.66 = 12,114.03 : x
  2. Step 2: Convert to fraction form
    21,546.08/29,733.66 = 12,114.03/x
  3. Step 3: Cross multiply
    21,546.08x = 29,733.66 × 12,114.03
  4. Step 4: Simplify right side
    21,546.08x = 360,194,449.25
  5. Step 5: Solve for x
    x = 360,194,449.25/21,546.08
  6. Step 6: Final answer
    x = 16,717.40

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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.