Home / 19,675.20-27,150.98-10,722.51

Finding the Fourth Proportional to 19,675.20, 27,150.98 and 10,722.51

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Solution

The fourth proportional to 19,675.20, 27,150.98 and 10,722.51 is: 14,796.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675.20 : 27,150.98 = 10,722.51 : x
  2. Step 2: Convert to fraction form
    19,675.20/27,150.98 = 10,722.51/x
  3. Step 3: Cross multiply
    19,675.20x = 27,150.98 × 10,722.51
  4. Step 4: Simplify right side
    19,675.20x = 291,126,661.26
  5. Step 5: Solve for x
    x = 291,126,661.26/19,675.20
  6. Step 6: Final answer
    x = 14,796.63

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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.