Home / 14,316.60-21,451.18-5,546.72

Finding the Fourth Proportional to 14,316.60, 21,451.18 and 5,546.72

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Solution

The fourth proportional to 14,316.60, 21,451.18 and 5,546.72 is: 8,310.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,316.60 : 21,451.18 = 5,546.72 : x
  2. Step 2: Convert to fraction form
    14,316.60/21,451.18 = 5,546.72/x
  3. Step 3: Cross multiply
    14,316.60x = 21,451.18 × 5,546.72
  4. Step 4: Simplify right side
    14,316.60x = 118,983,689.13
  5. Step 5: Solve for x
    x = 118,983,689.13/14,316.60
  6. Step 6: Final answer
    x = 8,310.89

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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.