Home / 26,580.08-36,665.88-18,634.16

Finding the Fourth Proportional to 26,580.08, 36,665.88 and 18,634.16

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Solution

The fourth proportional to 26,580.08, 36,665.88 and 18,634.16 is: 25,704.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,580.08 : 36,665.88 = 18,634.16 : x
  2. Step 2: Convert to fraction form
    26,580.08/36,665.88 = 18,634.16/x
  3. Step 3: Cross multiply
    26,580.08x = 36,665.88 × 18,634.16
  4. Step 4: Simplify right side
    26,580.08x = 683,237,874.46
  5. Step 5: Solve for x
    x = 683,237,874.46/26,580.08
  6. Step 6: Final answer
    x = 25,704.88

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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.