Home / 29,153.92-40,185.84-19,706.08

Finding the Fourth Proportional to 29,153.92, 40,185.84 and 19,706.08

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Solution

The fourth proportional to 29,153.92, 40,185.84 and 19,706.08 is: 27,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,153.92 : 40,185.84 = 19,706.08 : x
  2. Step 2: Convert to fraction form
    29,153.92/40,185.84 = 19,706.08/x
  3. Step 3: Cross multiply
    29,153.92x = 40,185.84 × 19,706.08
  4. Step 4: Simplify right side
    29,153.92x = 791,905,377.91
  5. Step 5: Solve for x
    x = 791,905,377.91/29,153.92
  6. Step 6: Final answer
    x = 27,162.91

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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.