Home / 17,122.42-25,689.12-7,269.99

Finding the Fourth Proportional to 17,122.42, 25,689.12 and 7,269.99

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Solution

The fourth proportional to 17,122.42, 25,689.12 and 7,269.99 is: 10,907.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,122.42 : 25,689.12 = 7,269.99 : x
  2. Step 2: Convert to fraction form
    17,122.42/25,689.12 = 7,269.99/x
  3. Step 3: Cross multiply
    17,122.42x = 25,689.12 × 7,269.99
  4. Step 4: Simplify right side
    17,122.42x = 186,759,645.51
  5. Step 5: Solve for x
    x = 186,759,645.51/17,122.42
  6. Step 6: Final answer
    x = 10,907.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.