Home / 13,294.41-18,345.61-7,325.11

Finding the Fourth Proportional to 13,294.41, 18,345.61 and 7,325.11

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Solution

The fourth proportional to 13,294.41, 18,345.61 and 7,325.11 is: 10,108.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.41 : 18,345.61 = 7,325.11 : x
  2. Step 2: Convert to fraction form
    13,294.41/18,345.61 = 7,325.11/x
  3. Step 3: Cross multiply
    13,294.41x = 18,345.61 × 7,325.11
  4. Step 4: Simplify right side
    13,294.41x = 134,383,611.27
  5. Step 5: Solve for x
    x = 134,383,611.27/13,294.41
  6. Step 6: Final answer
    x = 10,108.28

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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.