Home / 22,368.44-30,883.75-20,472.75

Finding the Fourth Proportional to 22,368.44, 30,883.75 and 20,472.75

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Solution

The fourth proportional to 22,368.44, 30,883.75 and 20,472.75 is: 28,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,368.44 : 30,883.75 = 20,472.75 : x
  2. Step 2: Convert to fraction form
    22,368.44/30,883.75 = 20,472.75/x
  3. Step 3: Cross multiply
    22,368.44x = 30,883.75 × 20,472.75
  4. Step 4: Simplify right side
    22,368.44x = 632,275,241.63
  5. Step 5: Solve for x
    x = 632,275,241.63/22,368.44
  6. Step 6: Final answer
    x = 28,266.40

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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.