Home / 14,655.82-21,987.38-5,771.74

Finding the Fourth Proportional to 14,655.82, 21,987.38 and 5,771.74

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Solution

The fourth proportional to 14,655.82, 21,987.38 and 5,771.74 is: 8,659.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.82 : 21,987.38 = 5,771.74 : x
  2. Step 2: Convert to fraction form
    14,655.82/21,987.38 = 5,771.74/x
  3. Step 3: Cross multiply
    14,655.82x = 21,987.38 × 5,771.74
  4. Step 4: Simplify right side
    14,655.82x = 126,905,440.64
  5. Step 5: Solve for x
    x = 126,905,440.64/14,655.82
  6. Step 6: Final answer
    x = 8,659.05

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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.