Home / 13,132.08-18,119.16-7,466.94

Finding the Fourth Proportional to 13,132.08, 18,119.16 and 7,466.94

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Solution

The fourth proportional to 13,132.08, 18,119.16 and 7,466.94 is: 10,302.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.08 : 18,119.16 = 7,466.94 : x
  2. Step 2: Convert to fraction form
    13,132.08/18,119.16 = 7,466.94/x
  3. Step 3: Cross multiply
    13,132.08x = 18,119.16 × 7,466.94
  4. Step 4: Simplify right side
    13,132.08x = 135,294,680.57
  5. Step 5: Solve for x
    x = 135,294,680.57/13,132.08
  6. Step 6: Final answer
    x = 10,302.61

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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.