Home / 25,155.86-37,676.34-12,017.43

Finding the Fourth Proportional to 25,155.86, 37,676.34 and 12,017.43

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Solution

The fourth proportional to 25,155.86, 37,676.34 and 12,017.43 is: 17,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.86 : 37,676.34 = 12,017.43 : x
  2. Step 2: Convert to fraction form
    25,155.86/37,676.34 = 12,017.43/x
  3. Step 3: Cross multiply
    25,155.86x = 37,676.34 × 12,017.43
  4. Step 4: Simplify right side
    25,155.86x = 452,772,778.61
  5. Step 5: Solve for x
    x = 452,772,778.61/25,155.86
  6. Step 6: Final answer
    x = 17,998.70

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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.