Home / 18,465.19-25,473.74-10,906.36

Finding the Fourth Proportional to 18,465.19, 25,473.74 and 10,906.36

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Solution

The fourth proportional to 18,465.19, 25,473.74 and 10,906.36 is: 15,045.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,465.19 : 25,473.74 = 10,906.36 : x
  2. Step 2: Convert to fraction form
    18,465.19/25,473.74 = 10,906.36/x
  3. Step 3: Cross multiply
    18,465.19x = 25,473.74 × 10,906.36
  4. Step 4: Simplify right side
    18,465.19x = 277,825,660.77
  5. Step 5: Solve for x
    x = 277,825,660.77/18,465.19
  6. Step 6: Final answer
    x = 15,045.92

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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.