Home / 19,808.49-27,335.88-10,856.82

Finding the Fourth Proportional to 19,808.49, 27,335.88 and 10,856.82

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Solution

The fourth proportional to 19,808.49, 27,335.88 and 10,856.82 is: 14,982.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808.49 : 27,335.88 = 10,856.82 : x
  2. Step 2: Convert to fraction form
    19,808.49/27,335.88 = 10,856.82/x
  3. Step 3: Cross multiply
    19,808.49x = 27,335.88 × 10,856.82
  4. Step 4: Simplify right side
    19,808.49x = 296,780,728.70
  5. Step 5: Solve for x
    x = 296,780,728.70/19,808.49
  6. Step 6: Final answer
    x = 14,982.50

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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.