Home / 25,909.84-38,864.32-11,670.39

Finding the Fourth Proportional to 25,909.84, 38,864.32 and 11,670.39

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Solution

The fourth proportional to 25,909.84, 38,864.32 and 11,670.39 is: 17,505.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,909.84 : 38,864.32 = 11,670.39 : x
  2. Step 2: Convert to fraction form
    25,909.84/38,864.32 = 11,670.39/x
  3. Step 3: Cross multiply
    25,909.84x = 38,864.32 × 11,670.39
  4. Step 4: Simplify right side
    25,909.84x = 453,561,837.06
  5. Step 5: Solve for x
    x = 453,561,837.06/25,909.84
  6. Step 6: Final answer
    x = 17,505.39

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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.