Home / 23,122.56-31,910.59-13,047.35

Finding the Fourth Proportional to 23,122.56, 31,910.59 and 13,047.35

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Solution

The fourth proportional to 23,122.56, 31,910.59 and 13,047.35 is: 18,006.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,122.56 : 31,910.59 = 13,047.35 : x
  2. Step 2: Convert to fraction form
    23,122.56/31,910.59 = 13,047.35/x
  3. Step 3: Cross multiply
    23,122.56x = 31,910.59 × 13,047.35
  4. Step 4: Simplify right side
    23,122.56x = 416,348,493.19
  5. Step 5: Solve for x
    x = 416,348,493.19/23,122.56
  6. Step 6: Final answer
    x = 18,006.16

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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.