Home / 18,741.16-25,862.74-10,243.28

Finding the Fourth Proportional to 18,741.16, 25,862.74 and 10,243.28

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Solution

The fourth proportional to 18,741.16, 25,862.74 and 10,243.28 is: 14,135.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.16 : 25,862.74 = 10,243.28 : x
  2. Step 2: Convert to fraction form
    18,741.16/25,862.74 = 10,243.28/x
  3. Step 3: Cross multiply
    18,741.16x = 25,862.74 × 10,243.28
  4. Step 4: Simplify right side
    18,741.16x = 264,919,287.39
  5. Step 5: Solve for x
    x = 264,919,287.39/18,741.16
  6. Step 6: Final answer
    x = 14,135.69

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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.