Home / 19,624.43-27,081.13-11,127.34

Finding the Fourth Proportional to 19,624.43, 27,081.13 and 11,127.34

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Solution

The fourth proportional to 19,624.43, 27,081.13 and 11,127.34 is: 15,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,624.43 : 27,081.13 = 11,127.34 : x
  2. Step 2: Convert to fraction form
    19,624.43/27,081.13 = 11,127.34/x
  3. Step 3: Cross multiply
    19,624.43x = 27,081.13 × 11,127.34
  4. Step 4: Simplify right side
    19,624.43x = 301,340,941.09
  5. Step 5: Solve for x
    x = 301,340,941.09/19,624.43
  6. Step 6: Final answer
    x = 15,355.40

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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.