Home / 23,130.56-31,910.22-13,573.37

Finding the Fourth Proportional to 23,130.56, 31,910.22 and 13,573.37

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Solution

The fourth proportional to 23,130.56, 31,910.22 and 13,573.37 is: 18,725.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,130.56 : 31,910.22 = 13,573.37 : x
  2. Step 2: Convert to fraction form
    23,130.56/31,910.22 = 13,573.37/x
  3. Step 3: Cross multiply
    23,130.56x = 31,910.22 × 13,573.37
  4. Step 4: Simplify right side
    23,130.56x = 433,129,302.62
  5. Step 5: Solve for x
    x = 433,129,302.62/23,130.56
  6. Step 6: Final answer
    x = 18,725.41

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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.