Home / 22,517.99-31,074.95-12,309.03

Finding the Fourth Proportional to 22,517.99, 31,074.95 and 12,309.03

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Solution

The fourth proportional to 22,517.99, 31,074.95 and 12,309.03 is: 16,986.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,517.99 : 31,074.95 = 12,309.03 : x
  2. Step 2: Convert to fraction form
    22,517.99/31,074.95 = 12,309.03/x
  3. Step 3: Cross multiply
    22,517.99x = 31,074.95 × 12,309.03
  4. Step 4: Simplify right side
    22,517.99x = 382,502,491.80
  5. Step 5: Solve for x
    x = 382,502,491.80/22,517.99
  6. Step 6: Final answer
    x = 16,986.53

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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.