Home / 19,678.44-27,156.08-10,725.95

Finding the Fourth Proportional to 19,678.44, 27,156.08 and 10,725.95

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Solution

The fourth proportional to 19,678.44, 27,156.08 and 10,725.95 is: 14,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,678.44 : 27,156.08 = 10,725.95 : x
  2. Step 2: Convert to fraction form
    19,678.44/27,156.08 = 10,725.95/x
  3. Step 3: Cross multiply
    19,678.44x = 27,156.08 × 10,725.95
  4. Step 4: Simplify right side
    19,678.44x = 291,274,566.87
  5. Step 5: Solve for x
    x = 291,274,566.87/19,678.44
  6. Step 6: Final answer
    x = 14,801.71

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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.