Home / 15,554.40-23,331.60-11,180.40

Finding the Fourth Proportional to 15,554.40, 23,331.60 and 11,180.40

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Solution

The fourth proportional to 15,554.40, 23,331.60 and 11,180.40 is: 16,770.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554.40 : 23,331.60 = 11,180.40 : x
  2. Step 2: Convert to fraction form
    15,554.40/23,331.60 = 11,180.40/x
  3. Step 3: Cross multiply
    15,554.40x = 23,331.60 × 11,180.40
  4. Step 4: Simplify right side
    15,554.40x = 260,856,620.64
  5. Step 5: Solve for x
    x = 260,856,620.64/15,554.40
  6. Step 6: Final answer
    x = 16,770.60

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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.