Home / 18,319.76-25,267.92-11,606.48

Finding the Fourth Proportional to 18,319.76, 25,267.92 and 11,606.48

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Solution

The fourth proportional to 18,319.76, 25,267.92 and 11,606.48 is: 16,008.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.76 : 25,267.92 = 11,606.48 : x
  2. Step 2: Convert to fraction form
    18,319.76/25,267.92 = 11,606.48/x
  3. Step 3: Cross multiply
    18,319.76x = 25,267.92 × 11,606.48
  4. Step 4: Simplify right side
    18,319.76x = 293,271,608.12
  5. Step 5: Solve for x
    x = 293,271,608.12/18,319.76
  6. Step 6: Final answer
    x = 16,008.49

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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.