Home / 19,322.79-26,665.41-11,365.02

Finding the Fourth Proportional to 19,322.79, 26,665.41 and 11,365.02

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Solution

The fourth proportional to 19,322.79, 26,665.41 and 11,365.02 is: 15,683.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.79 : 26,665.41 = 11,365.02 : x
  2. Step 2: Convert to fraction form
    19,322.79/26,665.41 = 11,365.02/x
  3. Step 3: Cross multiply
    19,322.79x = 26,665.41 × 11,365.02
  4. Step 4: Simplify right side
    19,322.79x = 303,052,917.96
  5. Step 5: Solve for x
    x = 303,052,917.96/19,322.79
  6. Step 6: Final answer
    x = 15,683.70

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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.