Home / 13,554.41-18,704.25-7,585.11

Finding the Fourth Proportional to 13,554.41, 18,704.25 and 7,585.11

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Solution

The fourth proportional to 13,554.41, 18,704.25 and 7,585.11 is: 10,466.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.41 : 18,704.25 = 7,585.11 : x
  2. Step 2: Convert to fraction form
    13,554.41/18,704.25 = 7,585.11/x
  3. Step 3: Cross multiply
    13,554.41x = 18,704.25 × 7,585.11
  4. Step 4: Simplify right side
    13,554.41x = 141,873,793.72
  5. Step 5: Solve for x
    x = 141,873,793.72/13,554.41
  6. Step 6: Final answer
    x = 10,466.99

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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.