Home / 53,781.96-80,666.44-14,342.24

Finding the Fourth Proportional to 53,781.96, 80,666.44 and 14,342.24

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Solution

The fourth proportional to 53,781.96, 80,666.44 and 14,342.24 is: 21,511.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,781.96 : 80,666.44 = 14,342.24 : x
  2. Step 2: Convert to fraction form
    53,781.96/80,666.44 = 14,342.24/x
  3. Step 3: Cross multiply
    53,781.96x = 80,666.44 × 14,342.24
  4. Step 4: Simplify right side
    53,781.96x = 1,156,937,442.43
  5. Step 5: Solve for x
    x = 1,156,937,442.43/53,781.96
  6. Step 6: Final answer
    x = 21,511.63

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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.