Home / 16,824.95-23,226.85-13,039.62

Finding the Fourth Proportional to 16,824.95, 23,226.85 and 13,039.62

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Solution

The fourth proportional to 16,824.95, 23,226.85 and 13,039.62 is: 18,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,824.95 : 23,226.85 = 13,039.62 : x
  2. Step 2: Convert to fraction form
    16,824.95/23,226.85 = 13,039.62/x
  3. Step 3: Cross multiply
    16,824.95x = 23,226.85 × 13,039.62
  4. Step 4: Simplify right side
    16,824.95x = 302,869,297.80
  5. Step 5: Solve for x
    x = 302,869,297.80/16,824.95
  6. Step 6: Final answer
    x = 18,001.20

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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.