Home / 19,772.66-27,277.08-11,384.30

Finding the Fourth Proportional to 19,772.66, 27,277.08 and 11,384.30

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Solution

The fourth proportional to 19,772.66, 27,277.08 and 11,384.30 is: 15,705.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.66 : 27,277.08 = 11,384.30 : x
  2. Step 2: Convert to fraction form
    19,772.66/27,277.08 = 11,384.30/x
  3. Step 3: Cross multiply
    19,772.66x = 27,277.08 × 11,384.30
  4. Step 4: Simplify right side
    19,772.66x = 310,530,461.84
  5. Step 5: Solve for x
    x = 310,530,461.84/19,772.66
  6. Step 6: Final answer
    x = 15,705.04

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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.