Home / 19,772.53-27,285.89-11,276.04

Finding the Fourth Proportional to 19,772.53, 27,285.89 and 11,276.04

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Solution

The fourth proportional to 19,772.53, 27,285.89 and 11,276.04 is: 15,560.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.53 : 27,285.89 = 11,276.04 : x
  2. Step 2: Convert to fraction form
    19,772.53/27,285.89 = 11,276.04/x
  3. Step 3: Cross multiply
    19,772.53x = 27,285.89 × 11,276.04
  4. Step 4: Simplify right side
    19,772.53x = 307,676,622.46
  5. Step 5: Solve for x
    x = 307,676,622.46/19,772.53
  6. Step 6: Final answer
    x = 15,560.81

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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.