Home / 13,627.80-20,441.69-4,860.66

Finding the Fourth Proportional to 13,627.80, 20,441.69 and 4,860.66

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Solution

The fourth proportional to 13,627.80, 20,441.69 and 4,860.66 is: 7,290.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.80 : 20,441.69 = 4,860.66 : x
  2. Step 2: Convert to fraction form
    13,627.80/20,441.69 = 4,860.66/x
  3. Step 3: Cross multiply
    13,627.80x = 20,441.69 × 4,860.66
  4. Step 4: Simplify right side
    13,627.80x = 99,360,080.61
  5. Step 5: Solve for x
    x = 99,360,080.61/13,627.80
  6. Step 6: Final answer
    x = 7,290.98

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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.