Home / 22,748.86-31,393.49-13,190.60

Finding the Fourth Proportional to 22,748.86, 31,393.49 and 13,190.60

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Solution

The fourth proportional to 22,748.86, 31,393.49 and 13,190.60 is: 18,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,748.86 : 31,393.49 = 13,190.60 : x
  2. Step 2: Convert to fraction form
    22,748.86/31,393.49 = 13,190.60/x
  3. Step 3: Cross multiply
    22,748.86x = 31,393.49 × 13,190.60
  4. Step 4: Simplify right side
    22,748.86x = 414,098,969.19
  5. Step 5: Solve for x
    x = 414,098,969.19/22,748.86
  6. Step 6: Final answer
    x = 18,203.06

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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.