Home / 14,404.64-19,877.92-8,116.96

Finding the Fourth Proportional to 14,404.64, 19,877.92 and 8,116.96

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Solution

The fourth proportional to 14,404.64, 19,877.92 and 8,116.96 is: 11,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,404.64 : 19,877.92 = 8,116.96 : x
  2. Step 2: Convert to fraction form
    14,404.64/19,877.92 = 8,116.96/x
  3. Step 3: Cross multiply
    14,404.64x = 19,877.92 × 8,116.96
  4. Step 4: Simplify right side
    14,404.64x = 161,348,281.52
  5. Step 5: Solve for x
    x = 161,348,281.52/14,404.64
  6. Step 6: Final answer
    x = 11,201.13

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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.