Home / 53,755.51-80,634.68-14,312.69

Finding the Fourth Proportional to 53,755.51, 80,634.68 and 14,312.69

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Solution

The fourth proportional to 53,755.51, 80,634.68 and 14,312.69 is: 21,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,755.51 : 80,634.68 = 14,312.69 : x
  2. Step 2: Convert to fraction form
    53,755.51/80,634.68 = 14,312.69/x
  3. Step 3: Cross multiply
    53,755.51x = 80,634.68 × 14,312.69
  4. Step 4: Simplify right side
    53,755.51x = 1,154,099,178.09
  5. Step 5: Solve for x
    x = 1,154,099,178.09/53,755.51
  6. Step 6: Final answer
    x = 21,469.41

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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.