Home / 14,514.80-20,031.99-8,226.50

Finding the Fourth Proportional to 14,514.80, 20,031.99 and 8,226.50

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Solution

The fourth proportional to 14,514.80, 20,031.99 and 8,226.50 is: 11,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,514.80 : 20,031.99 = 8,226.50 : x
  2. Step 2: Convert to fraction form
    14,514.80/20,031.99 = 8,226.50/x
  3. Step 3: Cross multiply
    14,514.80x = 20,031.99 × 8,226.50
  4. Step 4: Simplify right side
    14,514.80x = 164,793,165.74
  5. Step 5: Solve for x
    x = 164,793,165.74/14,514.80
  6. Step 6: Final answer
    x = 11,353.46

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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.