Home / 14,402.88-21,606.12-5,636.66

Finding the Fourth Proportional to 14,402.88, 21,606.12 and 5,636.66

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Solution

The fourth proportional to 14,402.88, 21,606.12 and 5,636.66 is: 8,455.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,402.88 : 21,606.12 = 5,636.66 : x
  2. Step 2: Convert to fraction form
    14,402.88/21,606.12 = 5,636.66/x
  3. Step 3: Cross multiply
    14,402.88x = 21,606.12 × 5,636.66
  4. Step 4: Simplify right side
    14,402.88x = 121,786,352.36
  5. Step 5: Solve for x
    x = 121,786,352.36/14,402.88
  6. Step 6: Final answer
    x = 8,455.69

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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.