Home / 18,735.28-25,854.39-10,237.21

Finding the Fourth Proportional to 18,735.28, 25,854.39 and 10,237.21

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Solution

The fourth proportional to 18,735.28, 25,854.39 and 10,237.21 is: 14,127.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.28 : 25,854.39 = 10,237.21 : x
  2. Step 2: Convert to fraction form
    18,735.28/25,854.39 = 10,237.21/x
  3. Step 3: Cross multiply
    18,735.28x = 25,854.39 × 10,237.21
  4. Step 4: Simplify right side
    18,735.28x = 264,676,755.22
  5. Step 5: Solve for x
    x = 264,676,755.22/18,735.28
  6. Step 6: Final answer
    x = 14,127.19

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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.