Home / 22,221.79-30,502.83-19,647.51

Finding the Fourth Proportional to 22,221.79, 30,502.83 and 19,647.51

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Solution

The fourth proportional to 22,221.79, 30,502.83 and 19,647.51 is: 26,969.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,221.79 : 30,502.83 = 19,647.51 : x
  2. Step 2: Convert to fraction form
    22,221.79/30,502.83 = 19,647.51/x
  3. Step 3: Cross multiply
    22,221.79x = 30,502.83 × 19,647.51
  4. Step 4: Simplify right side
    22,221.79x = 599,304,677.81
  5. Step 5: Solve for x
    x = 599,304,677.81/22,221.79
  6. Step 6: Final answer
    x = 26,969.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.