Home / 22,972.36-31,692.81-13,275.42

Finding the Fourth Proportional to 22,972.36, 31,692.81 and 13,275.42

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Solution

The fourth proportional to 22,972.36, 31,692.81 and 13,275.42 is: 18,314.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,972.36 : 31,692.81 = 13,275.42 : x
  2. Step 2: Convert to fraction form
    22,972.36/31,692.81 = 13,275.42/x
  3. Step 3: Cross multiply
    22,972.36x = 31,692.81 × 13,275.42
  4. Step 4: Simplify right side
    22,972.36x = 420,735,205.27
  5. Step 5: Solve for x
    x = 420,735,205.27/22,972.36
  6. Step 6: Final answer
    x = 18,314.84

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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.