Home / 22,586.50-31,170.48-13,633.84

Finding the Fourth Proportional to 22,586.50, 31,170.48 and 13,633.84

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Solution

The fourth proportional to 22,586.50, 31,170.48 and 13,633.84 is: 18,815.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,586.50 : 31,170.48 = 13,633.84 : x
  2. Step 2: Convert to fraction form
    22,586.50/31,170.48 = 13,633.84/x
  3. Step 3: Cross multiply
    22,586.50x = 31,170.48 × 13,633.84
  4. Step 4: Simplify right side
    22,586.50x = 424,973,337.04
  5. Step 5: Solve for x
    x = 424,973,337.04/22,586.50
  6. Step 6: Final answer
    x = 18,815.37

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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.