Home / 14,909.96-20,576.22-8,536.58

Finding the Fourth Proportional to 14,909.96, 20,576.22 and 8,536.58

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Solution

The fourth proportional to 14,909.96, 20,576.22 and 8,536.58 is: 11,780.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.96 : 20,576.22 = 8,536.58 : x
  2. Step 2: Convert to fraction form
    14,909.96/20,576.22 = 8,536.58/x
  3. Step 3: Cross multiply
    14,909.96x = 20,576.22 × 8,536.58
  4. Step 4: Simplify right side
    14,909.96x = 175,650,490.40
  5. Step 5: Solve for x
    x = 175,650,490.40/14,909.96
  6. Step 6: Final answer
    x = 11,780.75

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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.