Home / 19,230.64-28,816.68-14,277.04

Finding the Fourth Proportional to 19,230.64, 28,816.68 and 14,277.04

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Solution

The fourth proportional to 19,230.64, 28,816.68 and 14,277.04 is: 21,393.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230.64 : 28,816.68 = 14,277.04 : x
  2. Step 2: Convert to fraction form
    19,230.64/28,816.68 = 14,277.04/x
  3. Step 3: Cross multiply
    19,230.64x = 28,816.68 × 14,277.04
  4. Step 4: Simplify right side
    19,230.64x = 411,416,893.03
  5. Step 5: Solve for x
    x = 411,416,893.03/19,230.64
  6. Step 6: Final answer
    x = 21,393.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.