Home / 17,013.44-23,478.55-9,939.91

Finding the Fourth Proportional to 17,013.44, 23,478.55 and 9,939.91

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Solution

The fourth proportional to 17,013.44, 23,478.55 and 9,939.91 is: 13,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,013.44 : 23,478.55 = 9,939.91 : x
  2. Step 2: Convert to fraction form
    17,013.44/23,478.55 = 9,939.91/x
  3. Step 3: Cross multiply
    17,013.44x = 23,478.55 × 9,939.91
  4. Step 4: Simplify right side
    17,013.44x = 233,374,673.93
  5. Step 5: Solve for x
    x = 233,374,673.93/17,013.44
  6. Step 6: Final answer
    x = 13,717.08

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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.