Home / 13,451.15-20,176.82-4,686.03

Finding the Fourth Proportional to 13,451.15, 20,176.82 and 4,686.03

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Solution

The fourth proportional to 13,451.15, 20,176.82 and 4,686.03 is: 7,029.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451.15 : 20,176.82 = 4,686.03 : x
  2. Step 2: Convert to fraction form
    13,451.15/20,176.82 = 4,686.03/x
  3. Step 3: Cross multiply
    13,451.15x = 20,176.82 × 4,686.03
  4. Step 4: Simplify right side
    13,451.15x = 94,549,160.39
  5. Step 5: Solve for x
    x = 94,549,160.39/13,451.15
  6. Step 6: Final answer
    x = 7,029.08

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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.