Home / 18,977.36-26,189.64-16,615.44

Finding the Fourth Proportional to 18,977.36, 26,189.64 and 16,615.44

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Solution

The fourth proportional to 18,977.36, 26,189.64 and 16,615.44 is: 22,930.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.36 : 26,189.64 = 16,615.44 : x
  2. Step 2: Convert to fraction form
    18,977.36/26,189.64 = 16,615.44/x
  3. Step 3: Cross multiply
    18,977.36x = 26,189.64 × 16,615.44
  4. Step 4: Simplify right side
    18,977.36x = 435,152,392.04
  5. Step 5: Solve for x
    x = 435,152,392.04/18,977.36
  6. Step 6: Final answer
    x = 22,930.08

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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.