Home / 16,861.48-25,325.04-13,743.79

Finding the Fourth Proportional to 16,861.48, 25,325.04 and 13,743.79

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Solution

The fourth proportional to 16,861.48, 25,325.04 and 13,743.79 is: 20,642.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.48 : 25,325.04 = 13,743.79 : x
  2. Step 2: Convert to fraction form
    16,861.48/25,325.04 = 13,743.79/x
  3. Step 3: Cross multiply
    16,861.48x = 25,325.04 × 13,743.79
  4. Step 4: Simplify right side
    16,861.48x = 348,062,031.50
  5. Step 5: Solve for x
    x = 348,062,031.50/16,861.48
  6. Step 6: Final answer
    x = 20,642.44

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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.