Home / 14,110.62-19,431.99-13,816.86

Finding the Fourth Proportional to 14,110.62, 19,431.99 and 13,816.86

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Solution

The fourth proportional to 14,110.62, 19,431.99 and 13,816.86 is: 19,027.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.62 : 19,431.99 = 13,816.86 : x
  2. Step 2: Convert to fraction form
    14,110.62/19,431.99 = 13,816.86/x
  3. Step 3: Cross multiply
    14,110.62x = 19,431.99 × 13,816.86
  4. Step 4: Simplify right side
    14,110.62x = 268,489,085.35
  5. Step 5: Solve for x
    x = 268,489,085.35/14,110.62
  6. Step 6: Final answer
    x = 19,027.45

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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.