Home / 14,781.33-20,398.23-10,539.77

Finding the Fourth Proportional to 14,781.33, 20,398.23 and 10,539.77

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Solution

The fourth proportional to 14,781.33, 20,398.23 and 10,539.77 is: 14,544.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,781.33 : 20,398.23 = 10,539.77 : x
  2. Step 2: Convert to fraction form
    14,781.33/20,398.23 = 10,539.77/x
  3. Step 3: Cross multiply
    14,781.33x = 20,398.23 × 10,539.77
  4. Step 4: Simplify right side
    14,781.33x = 214,992,652.61
  5. Step 5: Solve for x
    x = 214,992,652.61/14,781.33
  6. Step 6: Final answer
    x = 14,544.88

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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.