Home / 23,173.40-31,983.72-13,747.16

Finding the Fourth Proportional to 23,173.40, 31,983.72 and 13,747.16

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Solution

The fourth proportional to 23,173.40, 31,983.72 and 13,747.16 is: 18,973.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,173.40 : 31,983.72 = 13,747.16 : x
  2. Step 2: Convert to fraction form
    23,173.40/31,983.72 = 13,747.16/x
  3. Step 3: Cross multiply
    23,173.40x = 31,983.72 × 13,747.16
  4. Step 4: Simplify right side
    23,173.40x = 439,685,316.24
  5. Step 5: Solve for x
    x = 439,685,316.24/23,173.40
  6. Step 6: Final answer
    x = 18,973.71

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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.