Home / 19,809.53-27,337.37-10,856.84

Finding the Fourth Proportional to 19,809.53, 27,337.37 and 10,856.84

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Solution

The fourth proportional to 19,809.53, 27,337.37 and 10,856.84 is: 14,982.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,809.53 : 27,337.37 = 10,856.84 : x
  2. Step 2: Convert to fraction form
    19,809.53/27,337.37 = 10,856.84/x
  3. Step 3: Cross multiply
    19,809.53x = 27,337.37 × 10,856.84
  4. Step 4: Simplify right side
    19,809.53x = 296,797,506.88
  5. Step 5: Solve for x
    x = 296,797,506.88/19,809.53
  6. Step 6: Final answer
    x = 14,982.56

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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.