Home / 19,963.56-27,350.04-19,215.84

Finding the Fourth Proportional to 19,963.56, 27,350.04 and 19,215.84

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Solution

The fourth proportional to 19,963.56, 27,350.04 and 19,215.84 is: 26,325.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.56 : 27,350.04 = 19,215.84 : x
  2. Step 2: Convert to fraction form
    19,963.56/27,350.04 = 19,215.84/x
  3. Step 3: Cross multiply
    19,963.56x = 27,350.04 × 19,215.84
  4. Step 4: Simplify right side
    19,963.56x = 525,553,992.63
  5. Step 5: Solve for x
    x = 525,553,992.63/19,963.56
  6. Step 6: Final answer
    x = 26,325.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.