Home / 19,622.63-27,081.68-11,239.13

Finding the Fourth Proportional to 19,622.63, 27,081.68 and 11,239.13

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Solution

The fourth proportional to 19,622.63, 27,081.68 and 11,239.13 is: 15,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.63 : 27,081.68 = 11,239.13 : x
  2. Step 2: Convert to fraction form
    19,622.63/27,081.68 = 11,239.13/x
  3. Step 3: Cross multiply
    19,622.63x = 27,081.68 × 11,239.13
  4. Step 4: Simplify right side
    19,622.63x = 304,374,330.53
  5. Step 5: Solve for x
    x = 304,374,330.53/19,622.63
  6. Step 6: Final answer
    x = 15,511.40

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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.