Home / 18,586.09-25,651.59-11,876.17

Finding the Fourth Proportional to 18,586.09, 25,651.59 and 11,876.17

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Solution

The fourth proportional to 18,586.09, 25,651.59 and 11,876.17 is: 16,390.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.09 : 25,651.59 = 11,876.17 : x
  2. Step 2: Convert to fraction form
    18,586.09/25,651.59 = 11,876.17/x
  3. Step 3: Cross multiply
    18,586.09x = 25,651.59 × 11,876.17
  4. Step 4: Simplify right side
    18,586.09x = 304,642,643.61
  5. Step 5: Solve for x
    x = 304,642,643.61/18,586.09
  6. Step 6: Final answer
    x = 16,390.89

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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.