Home / 18,370.74-25,352.15-11,201.07

Finding the Fourth Proportional to 18,370.74, 25,352.15 and 11,201.07

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Solution

The fourth proportional to 18,370.74, 25,352.15 and 11,201.07 is: 15,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.74 : 25,352.15 = 11,201.07 : x
  2. Step 2: Convert to fraction form
    18,370.74/25,352.15 = 11,201.07/x
  3. Step 3: Cross multiply
    18,370.74x = 25,352.15 × 11,201.07
  4. Step 4: Simplify right side
    18,370.74x = 283,971,150.80
  5. Step 5: Solve for x
    x = 283,971,150.80/18,370.74
  6. Step 6: Final answer
    x = 15,457.80

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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.