Home / 17,347.21-23,939.30-9,389.60

Finding the Fourth Proportional to 17,347.21, 23,939.30 and 9,389.60

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Solution

The fourth proportional to 17,347.21, 23,939.30 and 9,389.60 is: 12,957.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,347.21 : 23,939.30 = 9,389.60 : x
  2. Step 2: Convert to fraction form
    17,347.21/23,939.30 = 9,389.60/x
  3. Step 3: Cross multiply
    17,347.21x = 23,939.30 × 9,389.60
  4. Step 4: Simplify right side
    17,347.21x = 224,780,355.06
  5. Step 5: Solve for x
    x = 224,780,355.06/17,347.21
  6. Step 6: Final answer
    x = 12,957.73

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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.