Home / 19,662.77-27,134.86-10,710.35

Finding the Fourth Proportional to 19,662.77, 27,134.86 and 10,710.35

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Solution

The fourth proportional to 19,662.77, 27,134.86 and 10,710.35 is: 14,780.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662.77 : 27,134.86 = 10,710.35 : x
  2. Step 2: Convert to fraction form
    19,662.77/27,134.86 = 10,710.35/x
  3. Step 3: Cross multiply
    19,662.77x = 27,134.86 × 10,710.35
  4. Step 4: Simplify right side
    19,662.77x = 290,623,847.80
  5. Step 5: Solve for x
    x = 290,623,847.80/19,662.77
  6. Step 6: Final answer
    x = 14,780.41

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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.