Home / 14,650.48-20,218.98-8,364.88

Finding the Fourth Proportional to 14,650.48, 20,218.98 and 8,364.88

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Solution

The fourth proportional to 14,650.48, 20,218.98 and 8,364.88 is: 11,544.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.48 : 20,218.98 = 8,364.88 : x
  2. Step 2: Convert to fraction form
    14,650.48/20,218.98 = 8,364.88/x
  3. Step 3: Cross multiply
    14,650.48x = 20,218.98 × 8,364.88
  4. Step 4: Simplify right side
    14,650.48x = 169,129,341.42
  5. Step 5: Solve for x
    x = 169,129,341.42/14,650.48
  6. Step 6: Final answer
    x = 11,544.29

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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.