Home / 20,254.86-27,944.27-12,701.51

Finding the Fourth Proportional to 20,254.86, 27,944.27 and 12,701.51

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Solution

The fourth proportional to 20,254.86, 27,944.27 and 12,701.51 is: 17,523.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.86 : 27,944.27 = 12,701.51 : x
  2. Step 2: Convert to fraction form
    20,254.86/27,944.27 = 12,701.51/x
  3. Step 3: Cross multiply
    20,254.86x = 27,944.27 × 12,701.51
  4. Step 4: Simplify right side
    20,254.86x = 354,934,285.13
  5. Step 5: Solve for x
    x = 354,934,285.13/20,254.86
  6. Step 6: Final answer
    x = 17,523.42

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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.