Home / 18,139.26-25,030.25-10,182.36

Finding the Fourth Proportional to 18,139.26, 25,030.25 and 10,182.36

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Solution

The fourth proportional to 18,139.26, 25,030.25 and 10,182.36 is: 14,050.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139.26 : 25,030.25 = 10,182.36 : x
  2. Step 2: Convert to fraction form
    18,139.26/25,030.25 = 10,182.36/x
  3. Step 3: Cross multiply
    18,139.26x = 25,030.25 × 10,182.36
  4. Step 4: Simplify right side
    18,139.26x = 254,867,016.39
  5. Step 5: Solve for x
    x = 254,867,016.39/18,139.26
  6. Step 6: Final answer
    x = 14,050.57

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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.