Home / 18,495.28-25,523.42-10,111.80

Finding the Fourth Proportional to 18,495.28, 25,523.42 and 10,111.80

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Solution

The fourth proportional to 18,495.28, 25,523.42 and 10,111.80 is: 13,954.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.28 : 25,523.42 = 10,111.80 : x
  2. Step 2: Convert to fraction form
    18,495.28/25,523.42 = 10,111.80/x
  3. Step 3: Cross multiply
    18,495.28x = 25,523.42 × 10,111.80
  4. Step 4: Simplify right side
    18,495.28x = 258,087,718.36
  5. Step 5: Solve for x
    x = 258,087,718.36/18,495.28
  6. Step 6: Final answer
    x = 13,954.25

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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.