Home / 22,588.25-31,171.75-13,635.77

Finding the Fourth Proportional to 22,588.25, 31,171.75 and 13,635.77

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Solution

The fourth proportional to 22,588.25, 31,171.75 and 13,635.77 is: 18,817.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,588.25 : 31,171.75 = 13,635.77 : x
  2. Step 2: Convert to fraction form
    22,588.25/31,171.75 = 13,635.77/x
  3. Step 3: Cross multiply
    22,588.25x = 31,171.75 × 13,635.77
  4. Step 4: Simplify right side
    22,588.25x = 425,050,623.55
  5. Step 5: Solve for x
    x = 425,050,623.55/22,588.25
  6. Step 6: Final answer
    x = 18,817.34

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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.