Home / 25,668.84-38,539.05-13,199.43

Finding the Fourth Proportional to 25,668.84, 38,539.05 and 13,199.43

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Solution

The fourth proportional to 25,668.84, 38,539.05 and 13,199.43 is: 19,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668.84 : 38,539.05 = 13,199.43 : x
  2. Step 2: Convert to fraction form
    25,668.84/38,539.05 = 13,199.43/x
  3. Step 3: Cross multiply
    25,668.84x = 38,539.05 × 13,199.43
  4. Step 4: Simplify right side
    25,668.84x = 508,693,492.74
  5. Step 5: Solve for x
    x = 508,693,492.74/25,668.84
  6. Step 6: Final answer
    x = 19,817.55

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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.