Home / 22,865.48-31,555.26-13,433.96

Finding the Fourth Proportional to 22,865.48, 31,555.26 and 13,433.96

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Solution

The fourth proportional to 22,865.48, 31,555.26 and 13,433.96 is: 18,539.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,865.48 : 31,555.26 = 13,433.96 : x
  2. Step 2: Convert to fraction form
    22,865.48/31,555.26 = 13,433.96/x
  3. Step 3: Cross multiply
    22,865.48x = 31,555.26 × 13,433.96
  4. Step 4: Simplify right side
    22,865.48x = 423,912,100.63
  5. Step 5: Solve for x
    x = 423,912,100.63/22,865.48
  6. Step 6: Final answer
    x = 18,539.39

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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.