Home / 18,679.76-25,777.70-10,296.26

Finding the Fourth Proportional to 18,679.76, 25,777.70 and 10,296.26

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Solution

The fourth proportional to 18,679.76, 25,777.70 and 10,296.26 is: 14,208.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679.76 : 25,777.70 = 10,296.26 : x
  2. Step 2: Convert to fraction form
    18,679.76/25,777.70 = 10,296.26/x
  3. Step 3: Cross multiply
    18,679.76x = 25,777.70 × 10,296.26
  4. Step 4: Simplify right side
    18,679.76x = 265,413,901.40
  5. Step 5: Solve for x
    x = 265,413,901.40/18,679.76
  6. Step 6: Final answer
    x = 14,208.64

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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.