Home / 14,958.88-20,643.40-8,244.76

Finding the Fourth Proportional to 14,958.88, 20,643.40 and 8,244.76

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Solution

The fourth proportional to 14,958.88, 20,643.40 and 8,244.76 is: 11,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,958.88 : 20,643.40 = 8,244.76 : x
  2. Step 2: Convert to fraction form
    14,958.88/20,643.40 = 8,244.76/x
  3. Step 3: Cross multiply
    14,958.88x = 20,643.40 × 8,244.76
  4. Step 4: Simplify right side
    14,958.88x = 170,199,878.58
  5. Step 5: Solve for x
    x = 170,199,878.58/14,958.88
  6. Step 6: Final answer
    x = 11,377.85

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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.