Home / 23,006.40-31,741.44-13,577.28

Finding the Fourth Proportional to 23,006.40, 31,741.44 and 13,577.28

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Solution

The fourth proportional to 23,006.40, 31,741.44 and 13,577.28 is: 18,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,006.40 : 31,741.44 = 13,577.28 : x
  2. Step 2: Convert to fraction form
    23,006.40/31,741.44 = 13,577.28/x
  3. Step 3: Cross multiply
    23,006.40x = 31,741.44 × 13,577.28
  4. Step 4: Simplify right side
    23,006.40x = 430,962,418.48
  5. Step 5: Solve for x
    x = 430,962,418.48/23,006.40
  6. Step 6: Final answer
    x = 18,732.28

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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.