Home / 19,675.07-27,150.80-10,722.38

Finding the Fourth Proportional to 19,675.07, 27,150.80 and 10,722.38

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Solution

The fourth proportional to 19,675.07, 27,150.80 and 10,722.38 is: 14,796.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675.07 : 27,150.80 = 10,722.38 : x
  2. Step 2: Convert to fraction form
    19,675.07/27,150.80 = 10,722.38/x
  3. Step 3: Cross multiply
    19,675.07x = 27,150.80 × 10,722.38
  4. Step 4: Simplify right side
    19,675.07x = 291,121,187.77
  5. Step 5: Solve for x
    x = 291,121,187.77/19,675.07
  6. Step 6: Final answer
    x = 14,796.45

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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.