Home / 14,216.84-19,618.86-8,166.92

Finding the Fourth Proportional to 14,216.84, 19,618.86 and 8,166.92

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Solution

The fourth proportional to 14,216.84, 19,618.86 and 8,166.92 is: 11,270.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.84 : 19,618.86 = 8,166.92 : x
  2. Step 2: Convert to fraction form
    14,216.84/19,618.86 = 8,166.92/x
  3. Step 3: Cross multiply
    14,216.84x = 19,618.86 × 8,166.92
  4. Step 4: Simplify right side
    14,216.84x = 160,225,660.11
  5. Step 5: Solve for x
    x = 160,225,660.11/14,216.84
  6. Step 6: Final answer
    x = 11,270.13

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Double scale
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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.