Home / 14,861.10-20,514.92-9,490.58

Finding the Fourth Proportional to 14,861.10, 20,514.92 and 9,490.58

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Solution

The fourth proportional to 14,861.10, 20,514.92 and 9,490.58 is: 13,101.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,861.10 : 20,514.92 = 9,490.58 : x
  2. Step 2: Convert to fraction form
    14,861.10/20,514.92 = 9,490.58/x
  3. Step 3: Cross multiply
    14,861.10x = 20,514.92 × 9,490.58
  4. Step 4: Simplify right side
    14,861.10x = 194,698,489.45
  5. Step 5: Solve for x
    x = 194,698,489.45/14,861.10
  6. Step 6: Final answer
    x = 13,101.22

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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.