Home / 14,116.48-19,487.76-8,814.16

Finding the Fourth Proportional to 14,116.48, 19,487.76 and 8,814.16

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Solution

The fourth proportional to 14,116.48, 19,487.76 and 8,814.16 is: 12,167.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.48 : 19,487.76 = 8,814.16 : x
  2. Step 2: Convert to fraction form
    14,116.48/19,487.76 = 8,814.16/x
  3. Step 3: Cross multiply
    14,116.48x = 19,487.76 × 8,814.16
  4. Step 4: Simplify right side
    14,116.48x = 171,768,234.68
  5. Step 5: Solve for x
    x = 171,768,234.68/14,116.48
  6. Step 6: Final answer
    x = 12,167.92

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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.