Home / 18,683.17-25,782.43-10,617.59

Finding the Fourth Proportional to 18,683.17, 25,782.43 and 10,617.59

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Solution

The fourth proportional to 18,683.17, 25,782.43 and 10,617.59 is: 14,652.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683.17 : 25,782.43 = 10,617.59 : x
  2. Step 2: Convert to fraction form
    18,683.17/25,782.43 = 10,617.59/x
  3. Step 3: Cross multiply
    18,683.17x = 25,782.43 × 10,617.59
  4. Step 4: Simplify right side
    18,683.17x = 273,747,270.94
  5. Step 5: Solve for x
    x = 273,747,270.94/18,683.17
  6. Step 6: Final answer
    x = 14,652.08

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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.