Home / 22,457.24-30,991.02-13,504.84

Finding the Fourth Proportional to 22,457.24, 30,991.02 and 13,504.84

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Solution

The fourth proportional to 22,457.24, 30,991.02 and 13,504.84 is: 18,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,457.24 : 30,991.02 = 13,504.84 : x
  2. Step 2: Convert to fraction form
    22,457.24/30,991.02 = 13,504.84/x
  3. Step 3: Cross multiply
    22,457.24x = 30,991.02 × 13,504.84
  4. Step 4: Simplify right side
    22,457.24x = 418,528,766.54
  5. Step 5: Solve for x
    x = 418,528,766.54/22,457.24
  6. Step 6: Final answer
    x = 18,636.70

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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.