Home / 22,358.10-33,561.45-12,516.60

Finding the Fourth Proportional to 22,358.10, 33,561.45 and 12,516.60

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Solution

The fourth proportional to 22,358.10, 33,561.45 and 12,516.60 is: 18,788.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,358.10 : 33,561.45 = 12,516.60 : x
  2. Step 2: Convert to fraction form
    22,358.10/33,561.45 = 12,516.60/x
  3. Step 3: Cross multiply
    22,358.10x = 33,561.45 × 12,516.60
  4. Step 4: Simplify right side
    22,358.10x = 420,075,245.07
  5. Step 5: Solve for x
    x = 420,075,245.07/22,358.10
  6. Step 6: Final answer
    x = 18,788.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.