Home / 21,077.36-29,032.23-14,692.56

Finding the Fourth Proportional to 21,077.36, 29,032.23 and 14,692.56

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Solution

The fourth proportional to 21,077.36, 29,032.23 and 14,692.56 is: 20,237.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,077.36 : 29,032.23 = 14,692.56 : x
  2. Step 2: Convert to fraction form
    21,077.36/29,032.23 = 14,692.56/x
  3. Step 3: Cross multiply
    21,077.36x = 29,032.23 × 14,692.56
  4. Step 4: Simplify right side
    21,077.36x = 426,557,781.21
  5. Step 5: Solve for x
    x = 426,557,781.21/21,077.36
  6. Step 6: Final answer
    x = 20,237.73

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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.