Home / 19,809.22-27,336.94-10,856.53

Finding the Fourth Proportional to 19,809.22, 27,336.94 and 10,856.53

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Solution

The fourth proportional to 19,809.22, 27,336.94 and 10,856.53 is: 14,982.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,809.22 : 27,336.94 = 10,856.53 : x
  2. Step 2: Convert to fraction form
    19,809.22/27,336.94 = 10,856.53/x
  3. Step 3: Cross multiply
    19,809.22x = 27,336.94 × 10,856.53
  4. Step 4: Simplify right side
    19,809.22x = 296,784,282.08
  5. Step 5: Solve for x
    x = 296,784,282.08/19,809.22
  6. Step 6: Final answer
    x = 14,982.13

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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.