Home / 19,923.77-27,494.80-10,971.25

Finding the Fourth Proportional to 19,923.77, 27,494.80 and 10,971.25

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Solution

The fourth proportional to 19,923.77, 27,494.80 and 10,971.25 is: 15,140.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.77 : 27,494.80 = 10,971.25 : x
  2. Step 2: Convert to fraction form
    19,923.77/27,494.80 = 10,971.25/x
  3. Step 3: Cross multiply
    19,923.77x = 27,494.80 × 10,971.25
  4. Step 4: Simplify right side
    19,923.77x = 301,652,324.50
  5. Step 5: Solve for x
    x = 301,652,324.50/19,923.77
  6. Step 6: Final answer
    x = 15,140.32

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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.