Home / 21,492.14-29,651.55-14,044.46

Finding the Fourth Proportional to 21,492.14, 29,651.55 and 14,044.46

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Solution

The fourth proportional to 21,492.14, 29,651.55 and 14,044.46 is: 19,376.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492.14 : 29,651.55 = 14,044.46 : x
  2. Step 2: Convert to fraction form
    21,492.14/29,651.55 = 14,044.46/x
  3. Step 3: Cross multiply
    21,492.14x = 29,651.55 × 14,044.46
  4. Step 4: Simplify right side
    21,492.14x = 416,440,007.91
  5. Step 5: Solve for x
    x = 416,440,007.91/21,492.14
  6. Step 6: Final answer
    x = 19,376.39

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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.