Home / 22,445.81-33,625.61-12,555.10

Finding the Fourth Proportional to 22,445.81, 33,625.61 and 12,555.10

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Solution

The fourth proportional to 22,445.81, 33,625.61 and 12,555.10 is: 18,808.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,445.81 : 33,625.61 = 12,555.10 : x
  2. Step 2: Convert to fraction form
    22,445.81/33,625.61 = 12,555.10/x
  3. Step 3: Cross multiply
    22,445.81x = 33,625.61 × 12,555.10
  4. Step 4: Simplify right side
    22,445.81x = 422,172,665.21
  5. Step 5: Solve for x
    x = 422,172,665.21/22,445.81
  6. Step 6: Final answer
    x = 18,808.53

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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.