Home / 19,710.03-27,200.10-10,757.79

Finding the Fourth Proportional to 19,710.03, 27,200.10 and 10,757.79

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Solution

The fourth proportional to 19,710.03, 27,200.10 and 10,757.79 is: 14,845.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.03 : 27,200.10 = 10,757.79 : x
  2. Step 2: Convert to fraction form
    19,710.03/27,200.10 = 10,757.79/x
  3. Step 3: Cross multiply
    19,710.03x = 27,200.10 × 10,757.79
  4. Step 4: Simplify right side
    19,710.03x = 292,612,963.78
  5. Step 5: Solve for x
    x = 292,612,963.78/19,710.03
  6. Step 6: Final answer
    x = 14,845.89

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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.