Home / 13,554.22-20,294.41-10,541.80

Finding the Fourth Proportional to 13,554.22, 20,294.41 and 10,541.80

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Solution

The fourth proportional to 13,554.22, 20,294.41 and 10,541.80 is: 15,783.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.22 : 20,294.41 = 10,541.80 : x
  2. Step 2: Convert to fraction form
    13,554.22/20,294.41 = 10,541.80/x
  3. Step 3: Cross multiply
    13,554.22x = 20,294.41 × 10,541.80
  4. Step 4: Simplify right side
    13,554.22x = 213,939,611.34
  5. Step 5: Solve for x
    x = 213,939,611.34/13,554.22
  6. Step 6: Final answer
    x = 15,783.99

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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.