Home / 23,108.67-31,897.86-13,551.60

Finding the Fourth Proportional to 23,108.67, 31,897.86 and 13,551.60

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Solution

The fourth proportional to 23,108.67, 31,897.86 and 13,551.60 is: 18,705.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,108.67 : 31,897.86 = 13,551.60 : x
  2. Step 2: Convert to fraction form
    23,108.67/31,897.86 = 13,551.60/x
  3. Step 3: Cross multiply
    23,108.67x = 31,897.86 × 13,551.60
  4. Step 4: Simplify right side
    23,108.67x = 432,267,039.58
  5. Step 5: Solve for x
    x = 432,267,039.58/23,108.67
  6. Step 6: Final answer
    x = 18,705.84

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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.