Home / 18,465.82-27,565.69-17,153.62

Finding the Fourth Proportional to 18,465.82, 27,565.69 and 17,153.62

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Solution

The fourth proportional to 18,465.82, 27,565.69 and 17,153.62 is: 25,606.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,465.82 : 27,565.69 = 17,153.62 : x
  2. Step 2: Convert to fraction form
    18,465.82/27,565.69 = 17,153.62/x
  3. Step 3: Cross multiply
    18,465.82x = 27,565.69 × 17,153.62
  4. Step 4: Simplify right side
    18,465.82x = 472,851,371.30
  5. Step 5: Solve for x
    x = 472,851,371.30/18,465.82
  6. Step 6: Final answer
    x = 25,606.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.