Home / 26,615.90-36,737.62-18,660.08

Finding the Fourth Proportional to 26,615.90, 36,737.62 and 18,660.08

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Solution

The fourth proportional to 26,615.90, 36,737.62 and 18,660.08 is: 25,756.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615.90 : 36,737.62 = 18,660.08 : x
  2. Step 2: Convert to fraction form
    26,615.90/36,737.62 = 18,660.08/x
  3. Step 3: Cross multiply
    26,615.90x = 36,737.62 × 18,660.08
  4. Step 4: Simplify right side
    26,615.90x = 685,526,928.21
  5. Step 5: Solve for x
    x = 685,526,928.21/26,615.90
  6. Step 6: Final answer
    x = 25,756.29

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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.