Home / 18,637.42-27,969.08-12,047.26

Finding the Fourth Proportional to 18,637.42, 27,969.08 and 12,047.26

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Solution

The fourth proportional to 18,637.42, 27,969.08 and 12,047.26 is: 18,079.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637.42 : 27,969.08 = 12,047.26 : x
  2. Step 2: Convert to fraction form
    18,637.42/27,969.08 = 12,047.26/x
  3. Step 3: Cross multiply
    18,637.42x = 27,969.08 × 12,047.26
  4. Step 4: Simplify right side
    18,637.42x = 336,950,778.72
  5. Step 5: Solve for x
    x = 336,950,778.72/18,637.42
  6. Step 6: Final answer
    x = 18,079.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.