Home / 17,310.99-23,870.07-12,521.46

Finding the Fourth Proportional to 17,310.99, 23,870.07 and 12,521.46

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Solution

The fourth proportional to 17,310.99, 23,870.07 and 12,521.46 is: 17,265.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,310.99 : 23,870.07 = 12,521.46 : x
  2. Step 2: Convert to fraction form
    17,310.99/23,870.07 = 12,521.46/x
  3. Step 3: Cross multiply
    17,310.99x = 23,870.07 × 12,521.46
  4. Step 4: Simplify right side
    17,310.99x = 298,888,126.70
  5. Step 5: Solve for x
    x = 298,888,126.70/17,310.99
  6. Step 6: Final answer
    x = 17,265.80

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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.