Home / 16,856.84-25,285.05-13,162.11

Finding the Fourth Proportional to 16,856.84, 25,285.05 and 13,162.11

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Solution

The fourth proportional to 16,856.84, 25,285.05 and 13,162.11 is: 19,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.84 : 25,285.05 = 13,162.11 : x
  2. Step 2: Convert to fraction form
    16,856.84/25,285.05 = 13,162.11/x
  3. Step 3: Cross multiply
    16,856.84x = 25,285.05 × 13,162.11
  4. Step 4: Simplify right side
    16,856.84x = 332,804,609.46
  5. Step 5: Solve for x
    x = 332,804,609.46/16,856.84
  6. Step 6: Final answer
    x = 19,743.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.