Home / 20,053.88-27,612.53-17,811.86

Finding the Fourth Proportional to 20,053.88, 27,612.53 and 17,811.86

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Solution

The fourth proportional to 20,053.88, 27,612.53 and 17,811.86 is: 24,525.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.88 : 27,612.53 = 17,811.86 : x
  2. Step 2: Convert to fraction form
    20,053.88/27,612.53 = 17,811.86/x
  3. Step 3: Cross multiply
    20,053.88x = 27,612.53 × 17,811.86
  4. Step 4: Simplify right side
    20,053.88x = 491,830,449.57
  5. Step 5: Solve for x
    x = 491,830,449.57/20,053.88
  6. Step 6: Final answer
    x = 24,525.46

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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.