Home / 18,020.01-24,878.57-12,364.05

Finding the Fourth Proportional to 18,020.01, 24,878.57 and 12,364.05

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Solution

The fourth proportional to 18,020.01, 24,878.57 and 12,364.05 is: 17,069.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020.01 : 24,878.57 = 12,364.05 : x
  2. Step 2: Convert to fraction form
    18,020.01/24,878.57 = 12,364.05/x
  3. Step 3: Cross multiply
    18,020.01x = 24,878.57 × 12,364.05
  4. Step 4: Simplify right side
    18,020.01x = 307,599,821.59
  5. Step 5: Solve for x
    x = 307,599,821.59/18,020.01
  6. Step 6: Final answer
    x = 17,069.90

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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.